13 PTT input, connected to 3.3V via 1K
pullup resistor
1
14 OCREF Open-Collector
reference/flyback diodes
24
15 OC5 User open-collector output 6 22
16 OC3 User open-collector output 4 20
17 OC1 User open-collector output 2 18
18 User Digital input 2: Connected to
3.3V via 1K pullup resistor
16
19 Right channel speaker, pair with pin 6 14
20 User Analog input 2: 0-3V max 12
21 Analog Ground 10
22 Right channel line Out 8
23 Left channel phones output 6
24 not implemented not implemented
25 Analog Ground 2
Copyright Apache Labs © ANAN-200D 55 June 22, 2015