Page 0 Registers
Page 0 / Register 55: MISO/MFP4 Function Control Register - 0x00 / 0x37 (continued)
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D4-D1
R/W
0001
MISO function control
0000: MISO buffer disabled
0001: MISO is used for data output in SPI interface, is disabled for I2C interface
0010: MISO is General Purpose Output
0011: MISO is CLKOUT output
0100: MISO is INT1 output
0101: MISO is INT2 output
0110: MISO is ADC Word Clock output
0111: MISO is clock output for Digital Microphone
1000: MISO is Secondary Data Output for Audio Interface
1001: MISO is Secondary Bit Clock for Audio Interface
1010: MISO is Secondary Word Clock for Audio Interface
1011-1111: Reserved. Do not use
D0
R/W
0
Value to be driven on MISO pin when used as General Purpose Output
5.2.52
Page 0 / Register 56: SCLK/MFP3 Function Control Register - 0x00 / 0x38
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7-D3
R
0 0000
Reserved. Write only default values
D2-D1
R/W
01
SCLK function control
00: SCLK pin is disabled
01: SCLK pin is enabled for SPI clock in SPI Interface mode or when in I2C Interface enabled for
Secondary Data Input or Secondary Bit Clock Input or Secondary Word Clock or Digital
Microphone Input
10: SCLK is enabled as General Purpose Input
11: Reserved. Do not use
D0
R
X
Value of SCLK input pin when used as General Purpose Input
5.2.53
Page 0 / Register 57-59: Reserved Registers - 0x00 / 0x39-0x3B
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7-D0
R
0000 0000
Reserved. Write only default values
5.2.54
Page 0 / Register 60: DAC Signal Processing Block Control Register - 0x00 / 0x3C
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7-D5
R
000
Reserved. Write only default values
D4-D0
R/W
0 0001
Selects the DAC (playback) signal processing block
0 0000: Reserved. Do not use
0 0001: DAC Signal Processing Block PRB_P1
0 0010: DAC Signal Processing Block PRB_P2
0 0011: DAC Signal Processing Block PRB_P3
0 0100: DAC Signal Processing Block PRB_P4
…
1 1000: DAC Signal Processing Block PRB_P24
1 1001: DAC Signal Processing Block PRB_P25
1 1010-1 1111: Reserved. Do not use
Note; Please check the overview section for description of the Signal Processing Blocks
5.2.55
Page 0 / Register 61: Reserved Register - 0x00 / 0x3D
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7-D5
R
000
Reserved. Write only default values
91
SLAU434 – May 2012
Register Map
Copyright © 2012, Texas Instruments Incorporated