E
RROR
! R
EFERENCE SOURCE NOT
FOUND
.
P5186 U
SER
M
ANUAL
V 1.0
Error! Reference source not found.
Pin number
Signal name
I/O
I/O type
Description
Comment
USR0N and TXD2
75
IO_AUDIO
I/O
CMOS/2V8
External audio function
control
Multiplexed with
DAI_RST
76
GPO0
O
CMOS 1V8
General Purpose O
Multiplexed with
CTS2 and PWM0
77 GPIO7
I/O
CMOS/2V8
General
Purpose I/O
Multiplexed with SDA
and SPI3_CLK
78
GPO1
O
CMOS 1V8
General Purpose O
Multiplexed with
RXD2
79
GPIO6
I/O
CMOS/2V8
General Purpose I/O
Multiplexed with SCL
and SPI3_DATA
80 GND
Ground
3.9
J302 (Socket up)
Pin number
Signal name
I/O
I/O type
Description
Comment
1, 2
GND
Ground
3, 4
V-CORE
O
Supply
Digital supply for external
1V8 digital devices
50 mA max.
5 GND
Ground
6
ON/
∼
OFF
I CMOS
Schmitt
Power control
Power ON when high
7 GND
Ground
8
BUZ
O
Open drain
Buzzer output
Iout = 100 mA max.
Vout = 0.4 V max.
9 GND
Ground
10 /WR
O
1V8 Write
operation Active low
11 GND
Ground
12
D15
I/O
CMOS/1V8
Data bus 15
13 GND
Ground
14
D11
I/O
CMOS/1V8
Data bus 11
15 GND
Ground
16
D14
I/O
CMOS/1V8
Data bus 14
17 GND
Ground
18
D12
I/O
CMOS/1V8
Data bus 12
19 GND
Ground
20
D13
I/O
CMOS/1V8
Data bus 13
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