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
11
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Europe: +44-1628-858-940
Hong Kong: +852 2923 0610
Pin
#
Pin Name
Default
Function
Alternate
Function
In/
Out
Pull
Up/
Down
nRF52832
QFN Pin
nRF52832
QFN Name
Comment
6
SWDCLK
SWDCLK
-
-
PULL-
DOWN
25
SWDCLK
-
7
nRESET
nRESET
-
IN
PULL-
UP
24
PO.21/
nRESET
System Reset (Active Low)
8
SIO_20/
SFLASH_MOSI
SIO_20
SFLASH_MOSI
IN
PULL-
UP
23
PO.20
Laird Devkit: Optional External
serial SPI flash for data logging
purpose.
High level API in smartBASIC can
be used for fast access using
open/close/read/write API
functions.
9
SIO_18
SIO_18
-
IN
PULL-
UP
21
PO.18
-
10
SIO_16/
SFLASH_CLK
SIO_16
SFLASH_CLK
IN
PULL-
UP
19
PO.16
Laird Devkit: Optional External
serial SPI flash for data logging
purpose.
High level API in smartBASIC can
be used for fast access using
open/close/read/write API
functions.
11
SIO_14/
SFLASH_MISO
SIO_14
SFLASH_MISO
IN
PULL-
UP
17
PO.14
12
SIO_12/
SFLASH_CS
SIO_12
SFLASH_CS
IN
PULL-
UP
15
PO.12
13
SIO_11
SIO_11
-
IN
PULL-
UP
14
PO.11
Laird Devkit: BUTTON1
14
NFC2/
SIO_10
NFC2
SIO_10
IN
-
12
PO.10/NFC2
-
15
NFC1/
SIO_09
NFC1
SIO_09
IN
-
11
PO.09/NFC1
-
16
GND
-
-
-
-
-
-
-
17
SIO_08/
UART_RX
SIO_08
UART_RX
IN
PULL-
UP
10
PO.08
UARTCLOSE() selects DIO
functionality
UARTOPEN() selects UART
COMMS behaviour
18
SIO_07/
UART_CTS
SIO_07
UART_CTS
IN
PULL-
DOWN
9
PO.07
19
SIO_06/
UART_TX
SIO_06
UART_TX
OUT
Set
High in
FW
8
PO.06
20
SIO_05/
UART_RTS/
AIN3
SIO_05
UART_RTS/
AIN3
OUT
Set Low
in FW
7
PO.05/AIN3
21
SIO_04/
AIN2
SIO_04
AIN2
IN
PULL-
UP
6
PO.04/AIN2
Internal pull-down
22
SIO_03/
AIN1
SIO_03
AIN1
IN
PULL-
UP
5
PO.03/AIN1
Laird Devkit: Temp Sens Analog
or Arduino Analog