IQaudIO PI-DAC+ - Page 35

The Pi-DAC+ (BLACK) re-exposes the Raspberry Pi signals including UART / SPI CS:
The Pi-DigiAMP+ exposes (via P6) some useful GPIO for adding IR sensors / Rotary Encoders or
I2C devices. Both 5v and 3v3 are provided. Pin 1 of P6 may not be obvious on the PCB itself.
 
Pin1 is nearest to the chip
!
Signals used by Pi-AMP+ (To back power Pi and Pi-DAC+)
Pin#
NAME
NAME
Pin#
1
3.3v (DC Power)
☐
¤
(DC Power) 5v
2
3
GPIO2 (I2C SDA1)
¤
¤
(DC Power) 5v
4
5
GPIO3 (I2C SCL1)
¤
¤
(GROUND) 0v
6
7
GPIO4 (GCLK)
¤
¤
(TXD0) GPIO14
8
9
0v (GROUND)
¤
¤
(RXD0) GPIO15
10
Signals passed through by Pi-AMP+
Pin#
NAME
NAME
Pin#
1
3.3v (DC Power)
☐
¤
(DC Power) 5v
2
3
GPIO2 (I2C SDA1)
¤
¤
(DC Power) 5v
4
5
GPIO3 (I2C SCL1)
¤
¤
(GROUND) 0v
6
7
GPIO4 (GCLK)
¤
¤
(TXD0) GPIO14
8
9
0v (GROUND)
¤
¤
(RXD0) GPIO15
10
Signals passed through by Pi-DigiAMP+ (P6)
Pin#
NAME
NAME
Pin#
1
GPIO23 (RotEnc)
☐
¤
(Mute) GPIO22
2
3
GPIO24 (RotEnc)
¤
¤
(IR) GPIO25
4
5
5v (DC Power)
¤
¤
(DC Power) 3v3
6
7
I2C SCL1
¤
¤
(GROUND) 0v
8
9
I2C SDA1
¤
¤
(GROUND) 0v
10
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