SN32F760 Series
32-Bit Cortex-M0 Micro-Controller
SONiX TECHNOLOGY CO., LTD
Page 181
Version 2.0
01: Left-justified format
10: Right(MSB)-justified format
11: Reserved
3
MS
Master/Slave selection bit
0: Act as Master using internally generated BCLK and WS signals.
1: Act as Slave using externally BCLK and WS signals.
R/W
0
2
MONO
Mono/Stereo selection bit
0: Stereo
1: Mono
R/W
0
1
MUTE
Mute enable bit
0: Disable Mute
1: Enable. I2SSDA Output = 0
R/W
0
0
START
Start Transmit/Receive bit.
0: Disable
1: Start Transmit/Receive
R/W
0
15.6.2 I2S Clock register (I2S_CLK)
Address Offset: 0x04
Bit
Name
Description
Attribute
Reset
31:17
Reserved
R
0
16
CLKSEL
I2S clock source selection
0: HCLK
1: EHS XTAL
R/W
0
15:8
BCLKDIV[7:0]
BCLK divider
0: BCLK = MCLK / 2
1: BCLK = MCLK / 4
2: BCLK = MCLK / 6
3: BCLK = MCLK / 8
…
…
n: BCLK = MCLK / (2*n +2)
R/W
1
7:5
Reserved
R
0
4
MCLKSEL
MCLK source selection bit
0: MCLK source of master is from I2S_PCLK
1: MCLK source of master is from GPIO
R/W
0
3
MCLKOEN
MCLK output enable bit
0: Disable
1: Enable
R/W
0
2:0
MCLKDIV[2:0]
MCLK divider
0: MCLK = MCLK source
1: MCLK = MCLK source / 2
2: MCLK = MCLK source / 4
…
…
n: MCLK = MCLK source / (2*n), n>0
R/W
0
15.6.3 I2S Status register (I2S_STATUS)
Address Offset: 0x08
Bit
Name
Description
Attribute
Reset
31:21
Reserved
R
0
20:17
RXFIFOLV[3:0]
RX FIFO used level
0000: 0/8 RX FIFO is used (Empty)
0001: 1/8 RX FIFO is used
0010: 2/8 RX FIFO is used
…
…
1000: 8/8 RX FIFO is used (Full)
R
0
Содержание SN32F755
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