92HD90B0X5NLGXYAX8 IDT, 92HD90B0X5NLGXYAX8 Datasheet - Page 291

• Manufacturer Part Number: 92HD90B0X5NLGXYAX8
• Description: Interface - CODECs
• Manufacturer: IDT

Specifications of 92HD90B0X5NLGXYAX8

• Rohs: yes
• Part # Aliases: IDT92HD90B0X5NLGXYAX8

92HD98
SINGLE CHIP PC AUDIO SYSTEM, CODEC+MONO SPEAKER AMPLIFIER+CAPLESS HP+LDO
IDT CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
verb F9B/79B
Register Address
Address
EQRAM
0x0C
0x0D
0x0A
0x0B
0x0E
0x0F
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x10
0x11
0x12
0x13
Bits
7.29.1.26. LDO LEVEL CONTROL Register
Prior to WC revision, this register reset by POR/DAFG/ULR. WC revision, reset by POR only. Writing
to NID22h verb 77F will cause NOT generate a reset.
7.29.1.27. EQRAM
The EQ RAM is a 52 x 48-bit SRAM that contains the EQ coefficients.
Prior to WC revision, this register reset by POR/DAFG/ULR. WC revision, reset by POR only OR
when a BIST is run under certain conditions, contact IDT for more information. Writing to NID22h
verb 77F will cause NOT generate a reset.
.
7:3
2
1:0
Bit
Channel RIGHT Coefficients (24bit)
Reserved
Lv_QUAD_BIAS
Lv_reg_cntrl_bit
Label
EQ_COEF_F0_B0
EQ_COEF_F0_B1
EQ_COEF_F0_B2
EQ_COEF_F0_A1
EQ_COEF_F0_A2
EQ_COEF_F1_B0
EQ_COEF_F1_B1
EQ_COEF_F1_B2
EQ_COEF_F1_A1
EQ_COEF_F1_A2
EQ_COEF_F2_B0
EQ_COEF_F2_B1
EQ_COEF_F2_B2
EQ_COEF_F2_A1
EQ_COEF_F2_A2
EQ_COEF_F3_B0
EQ_COEF_F3_B1
EQ_COEF_F3_B2
EQ_COEF_F3_A1
EQ_COEF_F3_A2
[47:24]
RO
RW
RW
Type
based on 44.1Khz sample rate
0x0
0
0x0
Default
291
RESERVED
Two bits are defined to program the output of the 1.8V LDO
00 = normal operation (3.3V in to 1.8V out)
01 = 1.8V*1.1 = 1.98V
10 = 1.8V*0.9 = 1.62V
11 = power down LDO/bypass. When disabled, the
DVDD_Core pin must be supplied with a nominal 1.8V from
an external source.
Channel LEFT Coefficients (24bit)
EQ_COEF_F0_B0
EQ_COEF_F0_B1
EQ_COEF_F0_B2
EQ_COEF_F0_A1
EQ_COEF_F0_A2
EQ_COEF_F1_B0
EQ_COEF_F1_B1
EQ_COEF_F1_B2
EQ_COEF_F1_A1
EQ_COEF_F1_A2
EQ_COEF_F2_B0
EQ_COEF_F2_B1
EQ_COEF_F2_B2
EQ_COEF_F2_A1
EQ_COEF_F2_A2
EQ_COEF_F3_B0
EQ_COEF_F3_B1
EQ_COEF_F3_B2
EQ_COEF_F3_A1
EQ_COEF_F3_A2
[23:00]
Description
V 1.2 3/12
92HD98