FAB2200 Datasheet, PDF (24/33 Pages) Fairchild Semiconductor – Audio Subsystem with Stereo Class-G Headphone Amplifier and 1.2W Mono Class-D Speaker Amplifier

Register Map
The I²C slave address is 1001101x, where x=0 for write operations and x=1 for read operations.
Address B7
B6
B5
B4
B3
B2
B1
B0
0x00
VERSION
HPNGTRIP SPNGTRIP OVRTEMP OVRCURSP
0
0x01
HIZL
HIZR
0
BYPEN
0
0
0
SHDNB
0x02 DIFFIN43 DIFFIN21
PGAIN43
PGAIN21
0x03 SELSPA4 SELSPA3 SELSPA2 SELSPA1
HPRAMPSPEED
HPZCD HPRAMP
0x04 SELHPL4 SELHPL3 SELHPL2 SELHPL1 SELHPR4 SELHPR3 SELHPR2 SELHPR1
0x05
0
0
HPLVOL
0
0x06
0
0
HPRVOL
0
0x07
HPNGZR
A
HPNGTHRESH
HPNGZRR
HPNGTIME
0x08
ERC
0
0
0
SPRAMPSPEED
SPZCD SPRAMP
0x09 SPNGZRA
SPNGTHRESH
SPNGZRR
SPNGTIME
0x0A
THMAX
THVBATT
0x0B
0
AGCATTACK
0
AGCRELEASE
0x0C
0
0
AGCMIN
0x0D
0
0
PRESENTGAIN
0x0E
0
0
STARTGAIN
0x0F
0
0
MCSSMT
SSMT
Bits labeled “0” have no effect if written. When read, the
value is always 0.
Bits and addresses not listed in the register map are for
testing only. These bits should never be written. When
read, they may return any value.
© 2009 Fairchild Semiconductor Corporation
FAB2200 • Rev. 1.0.1
24
www.fairchildsemi.com