MAX98090AETL+ Maxim Integrated, MAX98090AETL+ Datasheet - Page 76

• Manufacturer Part Number: MAX98090AETL+
• Description: Interface - CODECs 5V 130mW Stereo Headphone Amp
• Manufacturer: Maxim Integrated

Specifications of MAX98090AETL+

• Rohs: yes

MAX98090
Table 1. MAX98090 Control Register Map (continued)
Software Reset
The device provides a software controlled reset (Table
2) that is used to return most registers to their default
(POR) states (the record biquad and playback parametric
Table 2. Software Reset Register
www.maximintegrated.com
ADDR
RECORD BIQUAD FILTER COEFFICIENT REGISTERS
REVISION ID REGISTER
0xAF
0xBA
0xBB
0xBC
0xBD
0xB0
0xB1
0xB2
0xB3
0xB4
0xB5
0xB6
0xB7
0xB8
0xB9
0xFF
BIT
REGISTER DESCRIPTION
7
6
5
4
3
2
1
0
RECORD BIQUAD
RECORD BIQUAD
RECORD BIQUAD
RECORD BIQUAD
RECORD BIQUAD
COEFFICIENT B0
COEFFICIENT B1
COEFFICIENT B2
COEFFICIENT A1
COEFFICIENT A2
REVISION ID
SWRESET
ADDRESS: 0x00
NAME
NAME
—
—
—
—
—
—
—
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R
TYPE POR
W
—
—
—
—
—
—
—
BIT 7
—
—
—
—
—
—
—
0
Pushbutton Software Device Reset
0: Writing a logic low to SWRESET has no effect.
1: Reset all registers to their default POR values. This excludes the record biquad
and playback parametric equalizer filter coefficients (Table 24 and Table 45).
BIT 6
BIT 5
REGISTER CONTENTS
BIT 4
REC_B0[23:16]
REC_B1[23:16]
REC_B2[23:16]
REC_A1[23:16]
REC_A2[23:16]
REC_B0[15:8]
REC_B1[15:8]
REC_B2[15:8]
REC_A1[15:8]
REC_A2[15:8]
REC_B0[7:0]
REC_B1[7:0]
REC_B2[7:0]
REC_A1[7:0]
REC_A2[7:0]
equalizer coefficients are not reset). The software reset
register is a pushbutton, write only register. As a result,
a read of this register always returns 0x00. Writing logic-
high to SWRESET triggers a software register reset, while
writing a logic-low to SWRESET has no effect.
REVID[7:0]
Ultra-Low Power Stereo Audio Codec
BIT 3
DESCRIPTION
—
—
—
—
—
—
—
BIT 2
BIT 1
Maxim Integrated │ 76
BIT 0
STATE
0x43
POR
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—