ISD9300 Datasheet, PDF (10/26 Pages) List of Unclassifed Manufacturers – ISD Cortex-M0 ChipCorder

ISD9300 Datasheet
Pin No.
LQFP
64
Pin Name
UART_TX
CMP12
PWM2
21
VCCSPK
22
SPK+
23
NC
24
VSSSPK
25
NC
26
SPK-
27
NC
28
VCCSPK
29
RESETN
30
ICE_DAT
31
ICE_CLK
32
NC
33
VSSD
34
NC
PB.15
35
PWM3
PWM2B
PB.14
PWM2
36
UART_TX
PWM3B
PA.7
37
I2S_SDO
PA.6
38
I2S_SDI
UART_TX
PA.5
39
I2S_BCLK
Pin Type
Alt
CFG
Description
O
1 Transmit channel of UART
AIO
2 Configure as relaxation oscillator for capacitive touch sensing
O
3 PWM2 Output
P
Power Supply for PWM Speaker Driver
O
Positive Speaker Driver Output
Should remain unconnected.
P
Ground for PWM Speaker Driver
Should remain unconnected.
O
Negative Speaker Driver Output
Should remain unconnected.
P
Power Supply for PWM Speaker Driver
I
External reset input. Pull this pin low to reset device to initial
state. Has internal weak pull-up.
I/O
Serial Wire Debug port data pin. Has internal weak pull-up.
I
Serial Wire Debug port clock pin. Has internal weak pull-up.
Should remain unconnected.
P
Digital Ground.
Should remain unconnected.
I/O
0 General purpose input/output pin; Port B, bit 15.
O
1 PWM3 Output.
O
3 PWM channel 2 complementary Output
I/O
0 General purpose input/output pin; Port B, bit 14.
O
1 PWM2 Output.
O
2 UART Transmit
O
3 PWM channel 3 complementary Output
I/O
0 General purpose input/output pin; Port A, bit 7
O
1 I2S Serial Data Output
I/O
0 General purpose input/output pin; Port A, bit 6
I
1 I2S Serial Data Input
O
2 UART Transmit
I/O
0 General purpose input/output pin; Port A, bit 5
I/O
1 I2S Bit Clock
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Release Date: Oct 23, 2014
Revision V1.1