MAX97001EWP+ MAXIM [Maxim Integrated Products], MAX97001EWP+ Datasheet - Page 23

• Manufacturer Part Number: MAX97001EWP+
• Description: Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifiers
• Manufacturer: MAXIM [Maxim Integrated Products]

Nine internal registers program the MAX97001. Table 1
lists all of the registers, their addresses, and power-on-
reset states. Register 0xFF indicates the device revision.
Table_1._Register_Map
STATUS
Input Gain
Headphone
Mixers
Speaker
Mixer
Headphone
Left
Headphone
Right
Speaker
Reserved
Limiter
Power
Management
Charge Pump
REVISION_ID
Rev ID
REGISTER
Audio Subsystem with Mono Class D Speaker
INADIFF
HPGAIN
SHDN
ZCD
FFM
B7
0
0
0
INBDIFF
SLEW
SPKM
B6
0
0
0
0
THDCLP
HPLMIX
LPMODE
and Class H Headphone Amplifiers
HPRM
HPLM
B5
0
0
0
I
2
PGAINA
C Registers
SPKEN
B4
0
0
0
REV
B3
0
0
0
0
SPKVOL
HPLEN
B2
HPRVOL
HPLVOL
0
0
0
Write zeros to all unused bits in the register table when
updating the register, unless otherwise noted. Tables
2–7 describe each bit.
HPRMIX
SPKMIX
PGAINB
HPREN
CPSEL
B1
0
0
BYPEN
THDT1
FIXED
B0
0
ADDRESS
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0xFF
DEFAULT
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x00
0x01
0x00
0x00
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
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