NUMICRO-SDK Nuvoton Technology Corporation of America, NUMICRO-SDK Datasheet - Page 479

• Manufacturer Part Number: NUMICRO-SDK
• Description: KIT EVAUATION NUC100/120/130/140
• Manufacturer: Nuvoton Technology Corporation of America
• Series: NuMicro™r
• Type: MCUr

Specifications of NUMICRO-SDK

• Contents: Board, Cable, CD, Nu-Link
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: NUC100, NUC120, NUC130, NUC140

I
Register
I2S_STATUS I2S_BA+0x0C
Bits
[31:28]
[27:24]
[23]
[22]
2
S Status Register (I2S_STATUS)
LZCF
31
23
15
7
NuMicro™ NUC100 Series Technical Reference Manual
Offset
Descriptions
TX_LEVEL
RX_LEVEL
LZCF
RZCF
Reserved
RZCF
30
22
14
6
TX_LEVEL[3:0]
Reserved
TXBUSY
R/W
R/W
Transmit FIFO level
These bits indicate word number in transmit FIFO
0000 = No data
0001 = 1 word in transmit FIFO
….
1000 = 8 words in transmit FIFO
Receive FIFO level
These bits indicate word number in receive FIFO
0000 = No data
0001 = 1 word in receive FIFO
….
1000 = 8 words in receive FIFO
Left channel zero cross flag
It indicates left channel next sample data sign bit is changed or all data bits are zero.
1 = Left channel zero cross is detected
0 = No zero cross
Software can write 1 to clear this bit to zero
Right channel zero cross flag
It indicates right channel next sample data sign bit is changed or all data bits are zero.
1 = Right channel zero cross is detected
0 = No zero cross
Software can write 1 to clear this bit to zero
29
21
13
5
Description
I
2
S Status Register
TXEMPTY
RXEMPTY
28
20
12
4
- 479 -
RXFULL
TXFULL
RIGHT
27
19
11
3
Publication Release Date: Oct 22, 2010
I2STXINT
RXTHF
TXTHF
26
18
10
RX_LEVEL[3:0]
2
I2SRXINT
RXOVF
TXOVF
25
17
9
1
Revision V1.06
Reset Value
0x0014_1000
RXUDF
TXUDF
I2SINT
24
16
8
0