Integration Manual

JODY-W3 series - System integration manual
UBX-19011209 - R07 System description Page 18 of 71
C2-Restricted
The PCM interface supports:
• Master and slave mode
• PCM bit width size of 8 bit or 16 bit
• Up to four slots with configurable bit width and start positions
• Short frame and long frame synchronization
☞ PCM pins are shared with the I2S interface and can be configured to I2S mode using HCI
commands.
Name
I/O
Description
Remarks
PCM_CLK
I/O
PCM clock
Alternate function: I2S clock
Master output. Slave input.
Used as configuration pin. See also Configuration pins.
PCM_SYNC
I/O
PCM frame sync
Alternate function: I2S word select
Master output. Slave input.
PCM_IN
I
PCM data in
Alternate function: I2S data in
Used as configuration pin. See also Configuration pins.
PCM_OUT
O
PCM data out
Alternate function: I2S data out
Used as configuration pin. See also Configuration pins.
Table 12: PCM digital audio signal descriptions
PCM/I2S signals are powered by the VIO voltage domain.