ISD9300 Datasheet, PDF (12/26 Pages) List of Unclassifed Manufacturers – ISD Cortex-M0 ChipCorder

ISD9300 Datasheet
Pin No.
LQFP
64
Pin Name
Pin Type
Alt
CFG
Description
I2S_BCLK
PA.12
PWM0
51
SPKP
I2S_FS
52
NC
53
XO32K
54
XI32K
55
VSSA
56
VMID
57
MIC+
58
MIC-
59
MICBIAS
I/O
3 I2S Bit Clock
I/O
0 General purpose input/output pin; Port A, bit 12
O
1 PWM0 Output.
O
2 Equivalent to SPK+
I/O
3 I2S Frame Sync
Should remain unconnected.
O
32.768kHz Crystal Oscillator Output
I
32.768kHz Crystal Oscillator Input. Max Voltage 1.8V
AP
Ground for analog circuitry.
O
Mid rail reference. Connect 4.7µF to VSSA.
AI
Positive microphone input.
AI
Negative microphone input.
AO
Microphone bias output.
60
NC
61
VCCA
62
NC
PA.11
I2C_SCL
63
CMP15
UART_CTSn
PA.10
I2C_SDA
64
CMP14
UART_RTSn
AP
A/I/O
I/O
AIO
I
A/I/O
I/O
AIO
O
Should remain unconnected.
Analog power supply.
Should remain unconnected.
0 General purpose input/output pin, analog capable; Port A, bit 11
1 I2C Serial Clock
2 Configure as relaxation oscillator for capacitive touch sensing
3 UART Clear to Send Input.
0 General purpose input/output pin, analog capable; Port A, bit 10
1 I2C Serial Data
2 Configure as relaxation oscillator for capacitive touch sensing
3 UART Request to Send Output.
Note:
 Pin Type I=Digital Input, O=Digital Output; AI=Analog Input; P=Power Pin; AP=Analog Power
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Release Date: Oct 23, 2014
Revision V1.1