User's Manual
Table Of Contents
- 1 Overview and Key Features
- 2 Specification
- 2.1 Specification Summary
- 3 Hardware Specifications
- 3.3.4 OTA (Over-the-Air) smartBASIC Application Download
- 4 Power Consumption
- 5 Functional Description
- 5.1 Power Management (includes Brown-out and Power on Reset)
- 5.2 Clocks and Timers
- 5.3 Memory for smartBASIC Application Code
- 5.4 Radio Frequency (RF)
- 5.5 NFC
- 5.6 UART Interface
- 5.7 SPI Bus
- 5.8 I2C Interface
- 5.9 General Purpose I/O, ADC, PWM and FREQ
- 5.10 nRESET pin
- 5.11 nAutoRUN pin
- 5.12 vSP Command Mode
- 5.13 Two-wire Interface JTAG
- 5.14 BL652 Wakeup
- 5.15 Low Power Modes
- 5.16 Temperature Sensor
- 5.17 Random Number Generator
- 5.18 AES Encryption/Decryption
- 5.19 Optional External Serial (SPI) Flash
- 5.20 Optional External 32.768 kHz crystal
- 5.21 BL652-SA On-board Chip Antenna Characteristics
- 6 Hardware Integration Suggestions
- 7 Mechanical Details
- 8 Application Note for Surface Mount Modules
- 9 FCC and IC Regulatory Statements
- 10 Japan (MIC) Regulatory
- 11 CE Regulatory
- 12 EU Declarations of Conformity
- 13 Ordering Information
- 14 Bluetooth SIG Qualification
BL652
Datasheet
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/bluetooth
12
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Europe: +44-1628-858-940
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Pin
#
Pin Name
Default
Function
Alternate
Function
In/
Out
Pull
Up/
Down
nRF52832
QFN Pin
nRF52832
QFN Name
Comment
23
SIO_02/
AIN0
SIO_02
AIN0
IN
PULL-
DOWN
4
PO.02/AIN0
Internal pull-down
24
SIO_01/
XL2
SIO_01
XL2
IN
PULL-
UP
3
PO.01/XL2
Laird Devkit: Optional 32.768kHz
crystal pad XL2
25
SIO_00/
XL1
SIO_00
XL1
IN
PULL-
UP
2
PO.00/XL1
Laird Devkit: Optional 32.768kHz
crystal pad XL1
26
VDD_nRF
-
-
-
-
-
-
1.7V to 3.6V
27
GND
-
-
-
-
-
-
-
-
SIO_13/
nAutoRUN
nAutoRUN
SIO_13
IN
PULL-
DOWN
16
PO.13
Laird Devkit: FTDI USB_DTR via
jumper on J12pin1-2.
29
SIO_15
SIO_15
-
IN
PULL-
UP
18
PO.15
Laird Devkit: BUTTON2
30
SIO_17
SIO_17
-
IN
PULL-
UP
20
PO.17
Laird Devkit: LED1
31
SIO_19
SIO_19
-
IN
PULL-
UP
22
PO.19
Laird Devkit: LED2
32
SIO_31/
AIN7
SIO_31
AIN7
IN
PULL-
UP
43
PO.31/AIN7
-
33
SIO_30/
AIN6
SIO_30
AIN6
IN
PULL-
UP
42
PO.30/AIN6
-
34
SIO_29/
AIN5
SIO_29
AIN5
IN
PULL-
UP
41
PO.29/AIN5
-
35
SIO_28/
AIN4
SIO_28
AIN4
IN
PULL-
UP
40
PO.28/AIN4
-
36
SIO_27/
I2C_SCL
SIO_27
I2C_SCL
IN
PULL-
UP
39
PO.27
Laird Devkit: I2C RTC chip. I2C
clock line.
37
SIO_26/
I2C_SDA
SIO_26
I2C_SDA
IN
PULL-
UP
38
PO.26
Laird Devkit: I2C RTC chip. I2C
data line.
38
SIO_25/
SPI_CLK
SIO_25
SPI_CLK
IN
PULL-
UP
37
PO.25
Laird Devkit: SPI EEPROM.
SPI_Eeprom_CLK, Output
SPIOPEN() in smartBASIC selects
SPI function, MOSI and CLK are
outputs when in SPI master mode.
39
GND
-
-
-
-
-
-
-
Pin Definition Notes:
Note 1
Secondary function is selectable in smartBASIC application.