NB-IoT-BC66 PDF NB-IoT-BC66

NB-IoT-BC66

Quectel NB-IoT BC66 Module(Pinout-OpenCPU).
PDF NB-IoT-BC66

123. !!!Be wary with ADC0 level!!! The maximum input voltage of the 10-bit ADC0 is 1.4V! EXT1. 1. 2...
Browser built in viewer
PDF Viewer
Universal Document Viewer
Google Docs View
Google Drive View
Download Document [pdf]
File Info : application/pdf, 1 Pages, 257.24KB
NB-IoT-BC66 Rev B
1

2

3

!!!Be wary with ADC0 level!!! The maximum input voltage of the 10-bit ADC0 is 1.4V!

EXT1
1

2

A

+3.3V

3

GND

4

RxD-DBG

5

TxD-DBG

6

ADC0toEXT 7

PWR_KEY

8

RST_KEY

9

PSM_EINTn 10

NS(HN1x10)

Power Input: +3.3V Power Output: No

EXT2
1 2 3 4 5 6 7 8 9 10

GPIO1 GPIO2 GPIO3 GPIO4 GPIO5 Netlight RTS-AUX CTS-AUX TxD-AUX RxD-AUX

NS(HN1x10)

Extensions

EXT3
1 2 3 4 5 6 7 8 9 10

I2C0-SCL(RI) I2C0-SDA(DCD)
SPI-MISO SPI-MOSI SPI-SCLK
SPI-CS
GND
VCCB RxD_MAIN TxD_MAIN

NS(HN1x10)

!!!Attention!!! For the signal's Levels!

ANT1
1

PI type matching circuit
L1

0R/R0402

C3

C4

34 GND 35 RF_ANT 36 GND

2

NA/C0402

NA/C0402

2 RESERVED

8 RESERVED

GND GND
U.FL-R-SMT-1 B

GND

GND

25 RESERVED 44 RESERVED 45 RESERVED 46 RESERVED

+3.3V

+1.8V

VDD_1.8V PWR_FLAG

47

RESERVED

48 RESERVED

R7

NA/R0402

49 RESERVED

U2
SPI_MISO/GPIO/EINT_d 3 SPI_MOSI/GPIO/EINT_d 4 SPI_SCLK/GPIO/EINT_d 5 SPI_CS/GPIO/EINT/PWM1_d 6
TXD/GPIO 17 RXD/GPIO 18 TXD_AUX/GPIO/EINT_d 29 RXD_AUX/GPIO/EINT_d 28 TXD_DBG/GPIO/EINT_d 39 RXD_DBG/GPIO/EINT_d 38

GND

C6

4.7uF/6.3V/20%/X5R/C0603

24 VDD_EXT(1.8V)

PWRKEY_d 7

PSM_EINT 19

42 VBAT_BB(2.1V-3.63V)

RESET 15

43 VBAT_RF(2.1V-3.63V)

ADC0* 9

PWR_FLAG

NETLIGHT/PWM0/GPIO/EINT_u 16

SPI_MISO(EINT) SPI_MOSI(EINT) SPI_SCLK(EINT) SPI_CS(EINT)
TxD(GPIO) RxD(GPIO) TxD_AUX(EINT) RxD_AUX(EINT) TxD_DBG(EINT) RxD_DBG(EINT)
PWR_KEY PSM_EINT RST_KEY ADC0 Netlight(PWM0)

C9
47uF/6.3V/20%/X5R/C0805
C10
47uF/6.3V/20%/X5R/C0805
C11
100nF/10V/10%/X5R/C0402
C12
33pF/50V/5%/COG/C0402
C13
NA/C0402

GND

GND

GND GND GND

C +3.3V

Start_E1
12
Soldered

PWR_KEY

R21 3 D

100R/R0402

2 R22

G FET7

1 BSS138(SOT23-3)

S

100k/R0402

D1 A

K

1N5819S4/SOD123 2

1

GND

N-MOS
C2
22uF/6.3V/20%/X5R/C0603

GND

40 GND 41 GND 37 GND 1 GND 27 GND
50 RESERVED 51 RESERVED 52 RESERVED 53 RESERVED 54 RESERVED 55 RESERVED 56 RESERVED 57 RESERVED 58 RESERVED

RI/IIC0_SCL/GPIO/EINT_d 20 DCD/IIC0_SDA/GPIO/EINT_d 21
CTS_AUX/GPIO/EINT_d 22 RTS_AUX/PWM2/GPIO/EINT_d 23
GPIO1/EINT_d 26 GPIO2/EINT_d 30 GPIO3/PWM3/EINT_d 31 GPIO4/EINT_d 32 GPIO5/EINT_d 33
SIM_RST 12 SIM_CLK 13 SIM_DATA 11 SIM_VDD(1.8V) 14 SIM_GND 10

Quectel_NB-IoT_BC66_Module(Pinout-OpenCPU)

I2C0_SCL(EINT) I2C0_SDA(EINT) CTS_AUX\PWR-SENS RTS_AUX(PWM2) GPIO1(EINT) GPIO2(EINT) GPIO3(PWM3) GPIO4(EINT) GPIO5(EINT)
SIM_RST SIM_CLK SIM_DATA SIM_VDD
GND

+3.3V
D GND

C18
22uF/6.3V/20%/X5R/C0603
C19
22uF/6.3V/20%/X5R/C0603

External: 1.8V LDO

VR1

1

(2.0-8.0)VDC
VIN

VOUT

5

3 CE

VSS 2

AP1231-1.8V(SOT23-5)
VDD_1.8V

+1.8V GND

C16

100nF/10V/10%/X5R/C0402

SIM1

5 GND VCC 1

6 VPP SIMRST 2

7 SIMIO SIMCLK 3

0 SH2

SH1 0

SIM-SMT-6P(NASCT-W0012X-06-LF)
GND
SIM Holder

R10 C17
R11 R12
C20
R13 C21

10k/R0402 SIM_DATA

33pF/50V/5%/COG/C0402

GND

SIM_VDD

22R/R0402 SIM_RST

22R/R0402 SIM_CLK

33pF/50V/5%/COG/C0402

GND

22R/R0402 SIM_DATA

33pF/50V/5%/COG/C0402

GND

1

2

3

NB-IoT-BC66

4

5

6

GND
ADC0

R19 C1

470k/R0402

1nF/50V/10%/X7R/C0402

R20
1M/R0402

ADC0toEXT

PSM_EINT

3 2 R17

N-MOS

D FET5
BSS138(SOT23-3)
G
1 PSM_EINTn
S
1M/R0402

TxD(GPIO)

GND

RxD(GPIO)

TxD(GPIO) RxD(GPIO)

R16 R15

4.7k/R0402 47k/R0402

+1.8V

VCCB/3.3V1

VCCB:Opened/3.3V:Soldered

VCCB 3

1

FET3

BSS138(SOT23-3)

+3.3V

N-MOS
A

2 S1
G
3
D
4.7k/R0402 47k/R0402
2

2 S1
G
3
D
R14 R6

FET4
N-MOS
BSS138(SOT23-3)

TxD_MAIN RxD_MAIN

2 S1
G
3
D 4.7k/R0402 4.7k/R0402

+3.3V

LED_Netlight1

A

K

R1

2

1

LED/Green/0603
FET6 D

N-MOS

Netlight(PWM0)

BSS138(SOT23-3)
G
1

S

R18

10k/R0402
3 2
1M/R0402

4.7k/R0402

4.7k/R0402

+1.8V

FET1
BSS138(SOT23-3)

N-MOS

2 S1
G
3
D
R4 R5

I2C0_SCL(EINT) I2C0_SDA(EINT)

GND
I2C0_SCL(EINT) I2C0_SDA(EINT)

R2

R3

N-MOS

I2C0-SCL(RI)

B

I2C0-SDA(DCD)

Voltage-Level Translators
+1.8V

PWR_FLAG

FET2
BSS138(SOT23-3)

GND

100nF/10V/10%/X5R/C0402

C7

TxD_DBG(EINT)

RxD_DBG(EINT)

SPI_CS(EINT)

SPI_SCLK(EINT)

SPI_MOSI(EINT)

SPI_MISO(EINT)

RxD_AUX(EINT)

TxD_AUX(EINT)

+1.8V

U3

2 Vcca 1 A1 3 A2 4 A3 5 A4 6 A5 7 A6 8 A7 9 A8 10 OE

Vccb 19 B1 20 B2 18 B3 17 B4 16 B5 15 B6 14 B7 13 B8 12
GND 11

C8

100nF/10V/10%/X5R/C0402

GND

TxD-DBG

RxD-DBG

SPI-CS

SPI-SCLK

SPI-MOSI

SPI-MISO

RxD-AUX

TxD-AUX

GND

GND

R8

1M/R0402

+1.8V

TXB0108PWR(TSSOP-20)

SPI-CS

U4

R9

1M/R0402

GND +1.8V

100nF/10V/10%/X5R/C0402

C14

CTS_AUX\PWR-SENS
RTS_AUX(PWM2) Netlight(PWM0) GPIO5(EINT) GPIO4(EINT) GPIO3(PWM3) GPIO2(EINT) GPIO1(EINT)

2 Vcca 1 A1 3 A2 4 A3 5 A4 6 A5 7 A6 8 A7 9 A8 10 OE

Vccb 19 B1 20 B2 18 B3 17 B4 16 B5 15 B6 14 B7 13 B8 12
GND 11

C15

100nF/10V/10%/X5R/C0402

GND
CTS-AUX

C

RTS-AUX

Netlight

GPIO5

GPIO4

GPIO3

GPIO2

GPIO1

GND

TXB0108PWR(TSSOP-20)

Fiducials

FID1
Fiducial
FID3
Fiducial

FID2 https://www.olimex.com Fiducial OLIMEX LTD.
Sheet: / FID4 File: NB-IoT-BC66_Rev_B.sch
Fiducial Title: NB-IoT-BC66

Size: A4

Date: 2019-10-15

KiCad E.D.A. kicad 5.1.5-52549c586ubuntu18.04.1

4

5

D
Rev: B Id: 1/1
6
KiCAD PDF Eeschema-PDF