ACS422A68TAGZBX8 IDT, ACS422A68TAGZBX8 Datasheet - Page 42

• Manufacturer Part Number: ACS422A68TAGZBX8
• Description: Interface - CODECs
• Manufacturer: IDT

Specifications of ACS422A68TAGZBX8

• Rohs: yes
• Part # Aliases: IDTACS422A68TAGZBX8

ACS422x68
LOW-POWER, HIGH-FIDELITY, INTEGRATED CODEC
©2011 INTEGRATED DEVICE TECHNOLOGY, INC.
R29 (1Ch)
Additional Control
(CTL)
Register Address
3.15.3. Headphone Operation
3.15.4. EQ Operation
HPSWEN
EQnSW1
1.HPOut = Logical OR of the HPL and HPR enable (power state) bits
2.SPKOut = Logical OR of the SPKL and SPKR enable (power state) bits
1.EQ must be enabled. EQ behavior is dependent on HP_DET and Output power
state programming.
0
0
0
0
1
1
1
1
1
1
1
1
3.15.2.1. Headphone Switch Register
0
0
1
1
5:4
3:2
Bit
7
6
1
0
HPSWPOL
EQnSW0
X
X
X
X
0
0
0
0
1
1
1
1
EQ2SW[1:0]
EQ1SW[1:0]
HPSWPOL
HPSWEN
0
1
0
1
TSDEN
TOEN
Label
Table 48. Additional Control Register
EQ is not disabled due to Headphone/Speaker logic
EQ is disabled when Headphone output is active
EQ is disabled when Speaker output is active
EQ is disabled when Headphone AND Speaker output are active
Pin state
HP_DET
Table 49. Headphone Operation
X
X
X
X
0
0
1
1
0
0
1
1
Table 50. EQ Operation
Type
RW
RW
RW
RW
RW
RW
HPOut
Default
X
X
X
X
0
0
1
1
0
1
0
1
42
00
00
0
0
0
0
1
EQ Behavior
Headphone Switch Enable
0: Headphone switch disabled
1: Headphone switch enabled
Headphone Switch Polarity
0: HPDETECT high = headphone
1: HPDETECT high = speaker
EQ2 behavior due to speaker/headphone output state
EQ1 behavior due to speaker/headphone output state
Thermal Shutdown Enable (See section 7.9)
0: thermal shutdown disabled
1: thermal shutdown enabled
Zero Cross Time-out Enable
0: Time-out Disabled
1: Time-out Enabled - volumes updated if no zero cross
event has occurred before time-out
SPKOut
X
X
X
X
0
1
0
1
0
1
0
1
2
1
Headphone
Enabled
yes
yes
yes
yes
no
no
no
no
no
no
no
no
Description
Speaker
Enabled
yes
yes
yes
yes
no
no
no
no
no
no
no
no
ACS422X68
V1.6 01/13