Technical Specs

Version:
1.01
Department:
IoT
Last Modification:
2016-12-13
Author:
Kamil Chwałek
5
1.6. Pin assignment
21 Edge connectors with pads 0.6 x 0.6 mm each.
 Pin
 Name
 Pin function
Description
 1
 Vbatt
 Power
Power supply 1.8-3.6 V
 2
 GND
 Ground
Should be connected to ground plane on application
PCB
 3
 PIO 0 / UART TX
 Digital I/O
General purpose I/O pin or UART TX line
 4
 PIO 1 / UART RX
 Digital I/O
General purpose I/O pin or UART RX line
 5
 PIO 3
 Digital I/O
General purpose I/O line
 6
 PIO 4
 Digital I/O
General purpose I/O line
 7
 PIO 6
 Digital I/O
General purpose I/O pin or DEBUG_CS# line*
 8
 PIO 7
 Digital I/O
General purpose I/O pin or DEBUG_MOSI line*
 9
 PIO 8
 Digital I/O
General purpose I/O pin or DEBUG_MISO line*
 10
 PIO 9
 Digital I/O
General purpose I/O line
 11
 PIO 5
 Digital I/O
General purpose I/O pin or DEBUG_CLK line*
 12
 PIO 10
 Digital I/O
General purpose I/O line
 13
 SPIPIO#
 Input pin
Selects SPI debug on PIO[8:5] line*
 14
 PIO 2 / I2C_P
 Output pin
EEPROM power supply line
 15
 PIO 11
 Digital I/O
General purpose I/O line
 16
 AIO 0
 ADC input 0
Analogue programmable I/O line
 17
 AIO 1
 ADC input 1
Analogue programmable I/O line
 18
 AIO 2
 ADC input 2
Analogue programmable I/O line
 19
 WAKE
 External wake
Input to wake from hibernate or dormant mode If not
in use, pin should be grounded
 20
 I2C_SDA
 I2C data pin
I2C data input / output line
 21
 I2C_SCL
 I2C clock pin
I2C clock line
 22
 GND
 Ground
Should be connected to ground plane on application
PCB
All pins are compatible with CSR1012 chip pinout.
*Programming is also available from bottom PCB side through testpoints.