Link Play A76, Installation Manual

Page: 7 / 24

Doc Title Linkplay WiFiAudio-A76 Specification
Number
WMB20170117
Version 1.2
Document No.: WMB20170117 Page 7 of 21
required
14 MSC0_D2 I/O
SDIO0 data 2, external pull-up
required
15 MSC0_D3 I/O
SDIO0 data 3, external pull-up
required
16 GPB14 I/O
General purpose input output,
external pull-up required
17 GPB12 I/O
General purpose input output,
external pull-up required
18 GPB15 I/O
General purpose input output,
external pull-up required
19 GPB13 I/O
General purpose input output,
external pull-up required
20 GPB11 I/O
General purpose input output,
external pull-up required
21 GPB10 I/O
General purpose input output,
external pull-up required
22 GPB9 I/O
General purpose input output,
external pull-up required
23 GPB8 I/O
General purpose input output,
external pull-up required
24 GPB7 I/O
General purpose input output,
external pull-up required
25 PWM3 I/O Pulse width modulation
GPB6(General purpose input output,
external pull-up required)
26 PPRST_N I
CPU reset, internal pull-up RC
delay
27 WKUP_N I Wake-up, internal pull-up
28 OTG_ID I OTG ID signal
，
internal pull-up
31 GPC22 I/O
General purpose input output,
external pull-up required
32 GPC21 I/O
General purpose input output,
external pull-up required
33 I2C0_SDA I/O I2C0 data, internal pull-up
34 I2C0_SCL I/O I2C0 clock, internal pull-up
35 PWM2 I/O Pulse width modulation
36 PWM1 I/O Pulse width modulation
37 PWM0 I/O Pulse width modulation
38 PWM4 I/O Pulse width modulation
39 GPD5 I/O
General purpose input output,
external pull-up required
40 GPD4 I/O General purpose input output,