ISD9100 Datasheet, PDF (9/26 Pages) List of Unclassifed Manufacturers – ISD Cortex-M0 ChipCorder

ISD9100 Series Datasheet
3.1.3 Pin Description
The ISD9100 is a low pin count device where many pins are configurable to alternative functions. All
General Purpose Input/Output (GPIO) pins can be configured to alternate functions as described in
the table below.
Pin No.
LQFP QFN ^{Pin Name}
48
33
Pin Type
Alt
CFG
Description
1
2 WAKEUP
PB.7
2
- I2S_SDO
CMP7
PB.6
I2S_SDI
3
-
CMP6
SPI_MOSI1
PB.5
PWM1B
4
3
CMP5
SPI_MISO1
PB.4
PWM0B
5
4
CMP4
SPI_MOSI0
PB.3
I2C_SDA
6
5
CMP3
SPI_MISO0
PB.2
I2C_SCL
7
6
CMP2
SPI_SCLK
PB.1
8
- ^MCLK
CMP1
SPI_SSB1
I
A/I/O
O
AIO
A/I/O
I
AIO
O
A/I/O
O
AIO
I
A/I/O
O
AIO
O
A/I/O
I/O
AIO
I
A/I/O
I/O
AIO
I/O
A/I/O
O
AIO
O
Pull low to wake part from deep power down
0 General purpose input/output pin, analog capable; Port B, bit 7
1 Serial Data Output for I2S interface
2 Configure as relaxation oscillator for capacitive touch sensing
0 General purpose input/output pin, analog capable; Port B, bit 6
1 Serial Data Input for I2S interface
2 Configure as relaxation oscillator for capacitive touch sensing
3 Master Out, Slave In channel 1 for SPI interface
0 General purpose input/output pin, analog capable; Port B, bit 5
1 PWM channel 1 complementary output pin
2 Configure as relaxation oscillator for capacitive touch sensing
3 Master In, Slave Out channel 1 for SPI interface
0 General purpose input/output pin, analog capable; Port B, bit 4
1 PWM channel 0 complementary output pin
2 Configure as relaxation oscillator for capacitive touch sensing
3 Master Out, Slave In channel 0 for SPI interface
0 General purpose input/output pin, analog capable; Port B, bit 3
1 Serial Data, I2C interface
2 Configure as relaxation oscillator for capacitive touch sensing
3 Master In, Slave Out channel 0 for SPI interface
0 General purpose input/output pin, analog capable; Port B, bit 2
1 Serial Clock, I2C interface
2 Configure as relaxation oscillator for capacitive touch sensing
3 Serial Clock for SPI interface
0
General purpose input/output pin, analog capable; Port B, bit
1. Triggers external interrupt 1 (EINT1/IRQ3)
1 Master clock output for synchronizing external device
2 Configure as relaxation oscillator for capacitive touch sensing
3 Slave Select Bar 1 for SPI interface
Release Date: January 8, 2016
-9-
Revision V1.41