SN32F100 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 20
Version 1.9
1.5 PIN DESCRIPTIONS
PIN NAME
TYP
E
DESCRIPTION
VDD, VSS
P
Power supply input pins for digital circuit.
AVDD_DAC,
AVSS_DAC
P
Power supply input pins for Sigma-delta DAC.
AVDD_ADC,
AVSS_ADC
P
Power supply input pins for Sigma-delta ADC.
AVDD_DRV,
AVSS_DRV
P
Power supply input pins for Sigma-delta DAC Driver.
VCOM_DAC
P
Sigma-delta DAC Common mode output.
VMID_DAC
P
Sigma-delta DAC VMID output.
VMID_ADC
P
Sigma-delta ADC VMID output.
MIC_BIAS
P
Sigma-delta ADC Microphone Bias Voltage output.
P0.0/URXD0
I/O
P0.0
—
General purpose digital input/output pin with high-current sink driver.
URXD0
—
Receiver input for UART0.
P0.1/UTXD0
I/O
P0.1
—
General purpose digital input/output pin with high-current sink driver.
UTXD0
—
Transmitter output for UART0.
P0.2/SCL0
I/O
P0.2
—
General purpose digital input/output pin with high-current sink driver.
SCL0
—
I2C clock input/output.
P0.3/SDA0
I/O
P0.3
—
General purpose digital input/output pin with high-current sink driver.
SDA0
—
I2C data input/output.
P0.4/SCK0
I/O
P0.4
—
General purpose digital input/output pin.
SCK0
—
Serial clock for SSP0.
P0.5/SEL0
I/O
P0.5
—
General purpose digital input/output pin.
SEL0
—
Slave Select for SSP0.
P0.6/MISO0
I/O
P0.6
—
General purpose digital input/output pin.
MISO0
—
Master In Slave Out for SSP0.
P0.7/MOSI0
I/O
P0.7
—
General purpose digital input/output pin with high-current sink driver.
MOSI0
—
Master Out Slave In for SSP0.
P0.8/SCK1
I/O
P0.8
—
General purpose digital input/output pin.
SCK1
—
Serial clock for SSP1.