Table of Contents
Advertisement
2. Audio Specification
2.1.
Digital Audio
The AirPrime AR758x Series provides two 4-wire digital audio interfaces. Each interface can be
configured as either a PCM or an I2S interface.
Table 21.
Digital Audio Interface Pads
Pad
Mode
PCM
DA3
2
I
S
PCM
DB3
2
I
S
PCM
DC2
2
I
S
PCM
DD2
2
I
S
PCM2
DD3
2
I
S2
PCM2
DD4
2
I
S2
PCM2
DE2
2
I
S2
PCM2
DC4
2
I
S2
1
PCM2/I2S2 is multiplexed with SPI2/UART3 and is not available if either SPI2/UART3 is configured
2
Direction when defined in Master mode.
41110461
1
Name
PCM_CLK
I2S_SCLK
PCM_FS
I2S_WS
PCM_DOUT
I2S_DOUT
PCM_DIN
I2S_DIN
PCM_CLK
I2S_SCLK
PCM_FS
I2S_WS
PCM_DOUT
I2S_DOUT
PCM_DIN
I2S_DIN
Rev 0.1
2
Direction
Function
PCM Clock
Output
2
I
S Bit Clock
PCM Frame Sync
Output
2
I
S Word Select
PCM Data Out
Output
2
I
S Data Out
PCM Data In
Input
2
I
S Data In
PCM Clock
Output
2
I
S Bit Clock
PCM Frame Sync
Output
2
I
S Word Select
PCM Data Out
Output
2
I
S Data Out
PCM Data In
Input
2
I
S Data In
If Unused
Leave Open
Leave Open
Leave Open
Leave Open
Leave Open
Leave Open
Leave Open
Leave Open
January 16, 2017
20
Advertisement
Table of Contents
