NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 562 -
Revision V1.30
NUC97
0
T
E
CHNIC
A
L
RE
F
E
RE
N
CE
MA
NUA
L
The PLAY_SINGLE[1:0] bits are read/write
[11:7]
Reserved
Reserved.
[6]
RECORD
I
2
S/PCM Record Control Bit
0: The record path of I
2
S/PCM is disabled.
1: The record path of I
2
S/PCM is enabled.
The RECORD bit is read/write
[5]
PLAY
I
2
S/PCM Playback Control Bit
0: The playback path of I
2
S/PCM is disabled.
1: The playback path of I
2
S/PCM is enabled.
The PLAY bit is read/write
[4]
DMA_CNTER_EN
DMA Counter Function Enable Bit
This function is supported to count playback data for software monitoring. When one
playback data is transferred to codec, the DMA counter subtracts 1. When the
I2S_COUNTER [31:0] register is Zero that set DMA_CNTER_IRQ bit =1.
0: The DMA counter function is disabled.
1: The DMA counter function is enabled.
The DMA_CNTER_EN bit is read/write
[3]
DMA_DATA_ZERO_EN
DMA_DATA Zero and Sign Detect Enable Bit
0: The DMA_DATA zero and sign detect function is disabled.
1: The DMA_DATA zero and sign detect function is enabled.
The DMA_DATA_ZERO_EN bit is read/write
[2:1]
Reserved
Reserved.
[0]
BLOCK_RESET
I
2
S/PCM RESET Control Bit
0: Release the I
2
S/PCM function block from reset mode.
1: Force the I
2
S/PCM function block to reset mode.
This bit is read/write