
SLAS506B – NOVEMBER 2006 – REVISED DECEMBER 2008........................................................................................................................................ www.ti.com
Page 0 / Register 11:
Audio DAC Overflow Flag Register
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D7–D6
R
0
Reserved. Only write zeroes to these bits.
D5
R
0
Left DAC Overflow Flag
This is a sticky bit, so will stay set if an overflow occurs, even if the overflow condition is
removed. The register bit reset to 0 after it is read.
0: No overflow has occurred
1: An overflow has occurred
D4
R
0
Right DAC Overflow Flag
This is a sticky bit, so will stay set if an overflow occurs, even if the overflow condition is
removed. The register bit reset to 0 after it is read.
0: No overflow has occurred
1: An overflow has occurred
D3–D0
R/W
0001
PLL R Value
0000: R = 16
0001 : R = 1
0010 : R = 2
0011 : R = 3
0100 : R = 4
…
1110: R = 14
1111: R = 15
Page 0 / Register 12:
Audio DAC Digital Filter Control Register
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D7–D4
R/W
00
Reserved. Only write zeroes to these bits.
D3
R/W
0
Left DAC Digital Effects Filter Control
0: Left DAC digital effects filter disabled (bypassed)
1: Left DAC digital effects filter enabled
D2
R/W
0
Left DAC De-emphasis Filter Control
0: Left DAC de-emphasis filter disabled (bypassed)
1: Left DAC de-emphasis filter enabled
D1
R/W
0
Right DAC Digital Effects Filter Control
0: Right DAC digital effects filter disabled (bypassed)
1: Right DAC digital effects filter enabled
D0
R/W
0
Right DAC De-emphasis Filter Control
0: Right DAC de-emphasis filter disabled (bypassed)
1: Right DAC de-emphasis filter enabled
Page 0 / Register 13:
Headset / Button Press Detection Register A
BIT
READ/
RESET
DESCRIPTION
WRITE
VALUE
D7
R/W
0
Headset Detection Control
0: Headset detection disabled
1: Headset detection enabled
D6-D5
R
00
Headset Type Detection Results
00: No headset detected
01: Stereo headset detected
10: Cellular headset detected
11: Stereo + cellular headset detected
D4-D2
R/W
000
Headset Glitch Suppression Debounce Control for Jack Detection
000: Debounce = 16msec( sampled with 2ms clock)
001: Debounce = 32msec( sampled with 4ms clock)
010: Debounce = 64msec( sampled with 8ms clock)
011: Debounce = 128msec( sampled with 16ms clock)
100: Debounce = 256msec( sampled with 32ms clock)
101: Debounce = 512msec( sampled with 64ms clock)
110: Reserved, do not write this bit sequence to these register bits.
111: Reserved, do not write this bit sequence to these register bits.
42
Copyright 2006–2008, Texas Instruments Incorporated