TEKSUN TECHNOLOGY 31030BT Bluetooth Speaker User Manual Module specification

CW6631B

Bluetooth Audio Player Microcontroller

User Manual

[CW6631B-UM-EN]

Versions: 1.0.0

Release Date: 2015-12-4

II Table of content

CW6631B Bluetooth Audio Player Microcontroller Version 1.0.0

Table of content

Table of content ........................................................................................................................................ II

1 Product Overview .............................................................................................................................. 1

1.1 Outline ........................................................................................................................................ 1

1.2 Features ...................................................................................................................................... 1

2 Pin Definitions ................................................................................................................................... 2

2.1 CW6631B .................................................................................................................................... 2

2.1.1 Package ............................................................................................................................... 2

2.1.2 Pin Assignment ................................................................................................................... 2

2.1.3 Pin Description .................................................................................................................... 2

3 CPU Core Information ....................................................................................................................... 5

3.1 Architecture ............................................................................................................................... 5

3.2 Instruction Set ............................................................................................................................ 5

3.3 Memory Mapping ...................................................................................................................... 8

3.3.1 Program Memory Mapping ................................................................................................ 8

3.3.2 External Data Memory Mapping ........................................................................................ 9

3.3.3 Internal Data Memory Mapping ......................................................................................... 9

3.4 Interrupt Processing ................................................................................................................. 10

3.4.1 Interrupt sources .............................................................................................................. 10

3.4.2 Interrupt Priority............................................................................................................... 12

3.5 Special Function Register Mapping (SFR) ................................................................................. 12

3.6 Extend Special Function Registers Mapping (XSFR) ................................................................. 13

3.7 CPU and Memory related SFR Description .............................................................................. 14

4 Reset Generation ............................................................................................................................. 24

4.1 Power-on Reset (POR) .............................................................................................................. 24

4.2 System Reset ............................................................................................................................ 24

4.2.1 LVD .................................................................................................................................... 25

4.2.2 RTCC Reset ........................................................................................................................ 26

4.2.3 Watchdog Reset ............................................................................................................... 26

VI Table of content

CW6631B Bluetooth Audio Player Microcontroller Version 1.0.0

15.2 LFSR16 .................................................................................................................................... 122

15.2.1 Features .......................................................................................................................... 122

15.2.2 LFSR16 Special Function Register ................................................................................... 122

15.3 LFSR32 .................................................................................................................................... 123

15.3.1 Features .......................................................................................................................... 123

15.3.2 LFSR32 Special Function Registers .................................................................................. 123

16 Integrated Interchip Sound (IIS) .................................................................................................... 124

16.1 Features .................................................................................................................................. 124

16.2 IIS Special Function Register .................................................................................................. 124

16.3 Operation Guide ..................................................................................................................... 131

16.3.1 CPU RD/WR ..................................................................................................................... 131

16.3.2 loop ................................................................................................................................. 131

16.3.3 DMA mode ...................................................................................................................... 132

17 PolyFuse control ............................................................................................................................ 133

17.1 PF Special Function Register .................................................................................................. 133

17.2 PF user guideline .................................................................................................................... 134

18 Characteristics ............................................................................................................................... 135

18.1 PMU Parameters .................................................................................................................... 135

18.2 CORE PLL Parameters ............................................................................................................. 135

18.3 General purpose I/O Parameters ........................................................................................... 135

18.4 Audio ADDA Parameters ........................................................................................................ 136

18.5 RF Analog Blocks .................................................................................................................... 136

19 Package Outline Dimensions ......................................................................................................... 138

19.1 SSOP28 ................................................................................................................................... 138

Revision History .......................................................................................................................................... i

1 Product Overview 1

CW6631B Bluetooth Audio Player Microcontroller Version 1.0.0

1 Product Overview

1.1 Outline

CW6631B is an MCS-51TM Compatible high performance mixed signal microcontroller. It integrates advanced digital

and analog peripherals to suit for BT audio playback and BT Communicate applications.

1.2 Features

 CPU Compatible with MCS-51TM instruction set;

 Compliant to Bluetooth 3.0 + EDR,

backward-compatible with BT1.2, 2.0 and 2.1

 Support SCMS-T content protection method;

 Support HFP v1.6, HSP v1.2, A2DP 1.3, AVCTP

1.4, AVDTP 1.3 and AVRCP 1.5

 Class 2 power level, RF Performance: Tx:0dBm,

Rx: -80dBm;

 Support simple pairing and auto reconnection

function;

 Support MP3/SBC decoder;

 Support two pairs of AUX;

 Six Channels 10-bit SARADC;

 CW6631B support 16bit Stereo DAC with >90dB

SNR, embedded with four class A/B headphone

amplifier

 16bit Mono ADC with >90dB DR

 Support Audio record function to MIC ADPCM;

 Support Audio playback from SD/USB

 Keypad tone mixer;

 Two 8-bit timers, support Capture and PWM

mode;

 Two 16-bit timers, support Capture and PWM

mode;

 Watchdog Timer with on-chip RC oscillator;

 Support full-duplex IIS, UART, SPI, SD interface;

 Support IIC interface for FM function;

 2 channels 16 levels Low Voltage Detector;

 Power on Reset

 Support Full speed USB 2.0 PHY;

 Full speed USB 2.0 HOST/DEVICE controller;

 IR controller;

 Independent powered Real-Time Clock

supporting 32.768kHz crystal

 Internal crystal oscillator support 26M crystal

 Internal LDO regulator:1.35V to 1.2V;4.2V to 3.3V

 Built-in buck converter,DC-DC:4.2V to 1.35V

2 2.1 CW6631B

CW6631B Bluetooth Audio Player Microcontroller Version 1.0.0

2 Pin Definitions

2.1 CW6631B

2.1.1 Package

SSOP28

2.1.2 Pin Assignment

Figure 2-1 shows the pin assignment of CW6631B.

CW6631B

SSOP28

1

2

3

4

5

6

7

8

9

P21

10

11

12

13

14

MICN

MICP/VCM

AVSS

VDDHP

DACR

VCM_BUF/P01

P13

P31

P32

P30

P04

P05

16

15

18

17

20

19

22

21

24

23

26

25

28

27

P36

PAD_VCC_IF/

VCC_RF/VCC_PA

RXTX

GND_ANT1

VCC_VCO/VCC_XO

/PAD_VDDQ

XO_P

XO_N

VBIN

VOUT1V5

VDDLDO

VDDIO/AVDD

USBDM

USBDP

P20

DACL

Figure 2-1 Pin Assignment of CW6631B

2.1.3 Pin Description

Table 2-1 shows the pin description of CW6631B.

Table 2-1 Pin Description of CW6631B

Pin No.SSOP28 Name Type Function

1 P21 I/O

GPIO

AUXR2

ADC1

2 Pin Definitions 3

CW6631B Bluetooth Audio Player Microcontroller Version 1.0.0

Pin No.SSOP28 Name Type Function

SDCLK

EMIDAT1

LCD_D1

2 MICN A MIC Negative input

3 MICP/VCM A MIC Positive input

DAC VCM output

4 AVSS GND Analog GND

5 VDDHP PWR Headphone power

6 DACR A DAC right output

GPIO input

7 P01/VCM_BUF I/O

GPIO

AUXR0

UARTTX1

PORT INT/WKUP0

SDDAT2

DAC VCM buffer

8 P00 I/O

GPIO

AUXL0

UARTRX1

SDDAT1

SPI0DIN2

9 P13 I/O

GPIO

ADC5

IISBCLK0

10 P31 I/O

GPIO

SDCMD

SPI0DIN3

11 P32 I/O

GPIO

SDDAT0

SPI0DOUT3/DIN3

12 P30 I/O

GPIO

ADC4

SDCLK

SPI0CLK3

13 P04 I/O GPIO

SPI1DOUT/DIN1

14 P05 I/O GPIO

SPI1CLK

15 P36 I/O GPIO

16 VCC_RF/VCC_PA/

PAD_VCC_IF PWR RF/PA Power VCC

Power VCC

17 RXTX A RF Rx and Tx pin

4 2.1 CW6631B

CW6631B Bluetooth Audio Player Microcontroller Version 1.0.0

Pin No.SSOP28 Name Type Function

18 GND_ANT1 GND RF GND

19 VCC_XO/ PAD_VDDQ/

VCC_VCO PWR Power VCC/VDDQ

20 XO_P A BT 26MHz XOSC Positive Pin

21 XO_N A BT 26MHz XOSC Negative Pin

22 BVIN PWR PMU Power input Pin 4.2V(typ)

23 VOUT1V5 PWR VOUT 1.5V

24 VDDLDO PWR LDO power input 4.2V(typ)

25 VDDIO/AVDD PWR Power output VDDIO 3.3V

26 USBDM I/O USB Negative Input/output

27 USBDP I/O USB Positive Input/output

28 P20 I/O

GPIO

AUXL2

SDCMD

EMIDAT0

LCD_D0

3 CPU Core Information 5

CW6631B Bluetooth Audio Player Microcontroller Version 1.0.0

3 CPU Core Information

3.1 Architecture

The AXC51-CORE of CW6631B is fully compatible with the MCS-51TM instruction set.

The AXC51-CORE employs a pipelined architecture that greatly increases its instruction throughput over the

standard 8051 architecture. In a standard 8051, all instructions except for MUL and DIV take 12 or 24 system clock

cycles to execute, and usually have a maximum system clock of 12MHz. By contrast, the AXC51-CORE executes

most of its instructions in 1 system clock cycle. With system clock running at 48 MHz, it has a peak throughput of 48

MIPS running in on-chip SRAM area.

3.2 Instruction Set

The instruction set of the AXC51-CORE is fully compatible with the standard MCS-51TM instruction set; standard

8051 development tools can be used to develop software for the AXC51-CORE. All instructions of AXC51-CORE

are the binary and functional equivalent of their MCS-51TM counterparts, including op-codes, addressing modes and

effect on PSW flags. However, instruction timing is different than that of the standard 8051. Table 3-1 shows

AXC51-CORE Instruction Set Summary

Table 3-1 AXC51-CORE Instruction Set Summary

Number of Bytes Mnemonic Operands Clock Cycles (running in IRAM)

1 NOP 1

2 AJMP code addr 3

3 LJMP code addr 3

1 RR A 1

1 INC A 1

1 INC data addr 1

1 INC @Ri 1

1 INC Rn 1

3 JBC bit addr, code addr 1 or 3

2 ACALL code addr 3

3 LCALL code addr 3

1 RRC A 1

1 DEC A 1

2 DEC data addr 1

1 DEC @Ri 1

1 DEC Rn 1

3 JB bit addr, code addr 1 or 3

1 RET 4

1 RL A 1

2 ADD A, #data 1

6 3.2 Instruction Set

CW6631B Bluetooth Audio Player Microcontroller Version 1.0.0

Number of Bytes Mnemonic Operands Clock Cycles (running in IRAM)

2 ADD A, data addr 1

1 ADD A, @Ri 1

1 ADD A, Rn 1

3 JNB bit addr, code addr 1 or 3

1 RETI 4

1 RLC A 1

2 ADDC A, #data 1

2 ADDC A, data addr 1

1 ADDC A, @Ri 1

1 ADDC A, Rn 1

2 JC code addr 1 or 3

2 ORL data addr, A 1

3 ORL data addr, #data 1

2 ORL A, #data 1

2 ORL A, data addr 1

1 ORL A, @Ri 1

1 ORL A, Rn 1

2 JNC code addr 1 or 3

2 ANL data addr, A 1

2 ANL data addr, #data 1

1 ANL A, @Ri 1

1 ANL A, Rn 1

2 JZ code addr 1 or 3

2 XRL data addr, A 1

3 XRL data addr, #data 1

2 XRL A, #data 1

2 XRL A, data addr 1

1 XRL A, @Ri 1

1 XRL A, Rn 1

2 JNZ code addr 1 or 3

2 ORL C, bit addr 1

1 JMP @A+DPTR 3

2 MOV A, #data 1

3 MOV data addr, #data 1

2 MOV @Ri, #data 1

2 MOV Rn, #data 1

2 SJMP code addr 3

2 ANL C, bit addr 1

1 MOVC* A, @A+PC 1

1 DIV AB 1

3 MOV data addr, data addr 1

3 CPU Core Information 7

CW6631B Bluetooth Audio Player Microcontroller Version 1.0.0

Number of Bytes Mnemonic Operands Clock Cycles (running in IRAM)

2 MOV data addr, @Ri 1

2 MOV data addr, Rn 1

3 MOV DPTR, #data 1

2 MOV bit addr, C 1

1 MOVC* A, @A+DPTR 2

2 SUBB A, #data 1

2 SUBB A, data addr 1

1 SUBB A, @Ri 1

1 SUBB A, Rn 1

2 ORL C, bit addr 1

2 MOV C, bit addr 1

1 INC DPTR 1

1 MUL AB 1

2 MOV @Ri, data addr 1

2 MOV Rn, data addr 1

2 ANL C, bit addr 1

2 CPL bit addr 1

2 CPL C 1

3 CJNE A, #data, code addr 1 or 3

3 CJNE A, data addr, code addr 1 or 3

3 CJNE @Ri, #data, code addr 1 or 3

3 CJNE Rn, #data, code addr 1 or 3

2 PUSH data addr 1

2 CLR bit addr 1

1 CLR C 1

1 SWAP A 1

2 XCH A, data addr 1

1 XCH A, @Ri 1

1 XCH A, Rn 1

2 POP data addr 1

2 SETB bit addr 1

1 SETB C 1

1 DA A 1

3 DJNZ data addr, code addr 1 or 3

1 XCHD A, @Ri 1

2 DJNZ Rn, code addr 1 or 3

1 MOVX A, @DPTR 2

1 MOVX A, @Ri 2

1 CLR A 1

2 MOV A, data addr 1

1 MOV A, @Ri 1

18 Characteristics 135

CW6631B Bluetooth Audio Player Microcontroller Version 1.0.0

18 Characteristics

18.1 PMU Parameters

Table 18-1 PMU Parameters

Sym Characteristics Min Typ Max Unit Conditions

BVIN Buck input voltage 2.8 4.2 4.8 V

VDDLDO VDDLDO input voltage 2.8 4.2 4.8 V

VOUT1V5 Buck output voltage 1.15 1.35 1.6 V

VDDCORE 1.2V output voltage - 1.2 - V

VDDRTC input voltage 2.2 4.2 4.8 V

VDDHP 3.0V output voltage 2.8 3.0 3.3 V

VCM 1.5V output voltage - 1.35 - V

RVDD output voltage 1.1 1.2 1.3 V

VDDIO 3.3V output voltage 2.8 3.3 - V

18.2 CORE PLL Parameters

Table 18-2 PLL Parameters

Sym Characteristics Min Typ Max Unit Conditions

FI1 Frequency input - 32.768 - KHz Low frequency OSC

FI2 Frequency input 1 12 15 MHz High frequency OSC

FOUT1 Frequency output - 48 - MHz

TLOCK1 PLL locked time - 2 - ms Use low frequency OSC as input reference

TLOCK2 PLL locked time - 0.1 - ms Use high frequency OSC as input reference

18.3 General purpose I/O Parameters

Table 18-3 I/O Parameters

Symbol Description Min Typ Max Units Conditions

VIL Low-Level input voltage - - 30% * VDDIO V VDDIO = 3.3V

VIH High-level input voltage 70% * VDDIO - - V VDDIO = 3.3V

RPUP0 Internal pull-up resister 0 - 10 - KΩ

RPUP1 Internal pull-up resister 1 - 200 - KΩ

RPUP2 Internal pull-up resister 2 - 0.5 - KΩ

RPDN0 Internal pull-down resister 0 - 10 - KΩ

RPDN1 Internal pull-down resister 1 - 0.33 - KΩ

RPDN2 Internal pull-down resister 2 - 0.5 - KΩ

ILEVEL1 Level1 current driving 8 - - mA For PORT1

136 18.4 Audio ADDA Parameters

CW6631B Bluetooth Audio Player Microcontroller Version 1.0.0

Symbol Description Min Typ Max Units Conditions

ILEVEL2 Level2 current driving 24 - - mA For Port1.1

18.4 Audio ADDA Parameters

Table 18-4 Audio DAC Parameters

Sym Characteristics Min Typ Max Unit Conditions

DAC SNR&DR - 90 - dB 48PIN

DAC SNR&DR - 90 - dB 28PIN & 20 PIN

DAC THD+N - -80 - dB 10Kohm loading

PWRAB ClassAB AMP power output - - 16 mW 32ohm loading

VPP Maximum output voltage - - 2.6 V 10Kohm loading

ADC SNR/DR 93 dB In Voice Band

ADC THD+N 89 dB In Voice Band

18.5 RF Analog Blocks

Table 18-5 Frequency Synthesizer Parameters

Parameter Condition MIN typ max Unit

Synthesizer

Synthesizer settling time Within +/- 25 KHz accuracy - 70 - us

Phase Noise Fc=2.4GHz

F=1 MHz - -110 - dBc/Hz

F=2 MHz - -118 - dBc/Hz

F3 MHz - -123 - dBc/Hz

XTAL Oscillator

Frequency range - 26 - MHz

Frequency Trimming Range 6 bits -1 - +1 kHz

Table 18-6 Receive path Parameters

Parameter Condition MIN typ max Unit

Receiver Channel

Minimum Usable Signal RX sensitivity - -80 - dBm

LNA

Gain

High Gain - 25 - dB

Mid Gain - 15 - dB

Low Gain - 5 - dB

Mixer

Conversion Gain - 0 - dB

Ifamp

18 Characteristics 137

CW6631B Bluetooth Audio Player Microcontroller Version 1.0.0

Parameter Condition MIN typ max Unit

Gain 5/9/12/15/18 dB - 12 -

Complex BPF

Band pass -3 dB BW Figure 1. - 2 - MHz

Image Rejection - 30 - dB

VGA

Gain Range -6 - +68 dB

Gain Step - +1/+6 - dB

ADMOD

SNDR Freq = +- BW - >50 - dB

Table 18-7 Transmit path Parameters

Parameter Condition MIN typ max Unit

Transmit Channel

Available output power -2 0 1.5 dBm

Side Band Suppression - -30 - dBm

LPF

Low pass -3 dB BW Figure 2. - 1 - MHz

TXVGA

Gain Step -7 - 7 dB

PA

Gain Range Set paPWR[2:0] of

Control Register #16

GFSK -12 - 4 dBm

DPSK -15 - 1 dBm

138 19.1 SSOP28

CW6631B Bluetooth Audio Player Microcontroller Version 1.0.0

19 Package Outline Dimensions

19.1 SSOP28

19 Package Outline Dimensions 139

CW6631B Bluetooth Audio Player Microcontroller Version 1.0.0

Figure 19-1 SSOP28 Package Outline Dimension

19 Package Outline Dimensions i

CW6631B Bluetooth Audio Player Microcontroller Version 1.0.0

Revision History

Date Version Comments Revised by

2015-7-22 0.0.1 Initial version YX

2015-12-4 0.0.2 Checked GAO

2015-12-4 1.0.0 Release YX

TEKSUN TECHNOLOGY 31030BT Bluetooth Speaker User Manual Module specification

SHENZHEN TEKSUN TECHNOLOGY CO.,LTD Bluetooth Speaker Module specification

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