WM8594_07 Wolfson Microelectronics Ltd., WM8594_07 Datasheet - Page 35

• Manufacturer Part Number: WM8594_07
• Description: 24-bit 192khz 2vrms Multi-channel Codec
• Manufacturer: Wolfson Microelectronics Ltd.

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Table 27 Analogue Volume Control
PGA1R_VOL
PGA2R_VOL
PGA3R_VOL
PGA1R_VOL
PGA2R_VOL
PGA3R_VOL
PGA1L_VOL
PGA2L_VOL
PGA3L_VOL
PGA1L_VOL
PGA2L_VOL
PGA3L_VOL
PGA_CTRL1
REGISTER
ADDRESS
R19
R20
R21
R22
R23
R24
R19
R20
R21
R22
R23
R24
R25
13h
14h
15h
16h
17h
18h
13h
14h
15h
16h
17h
18h
19h
BIT
7:0
7:0
7:0
7:0
7:0
7:0
8
8
8
8
8
8
2
3
4
5
6
7
VOL[7:0]
PGA1R_
VOL[7:0]
VOL[7:0]
PGA2R_
VOL[7:0]
VOL[7:0]
PGA3R_
VOL[7:0]
PGA1R_
PGA2R_
PGA3R_
PGA1R_
PGA1R_
PGA1R_
PGA1L_
PGA2L_
PGA3L_
PGA1L_
PGA2L_
PGA3L_
PGA1L_
PGA1L_
PGA1L_
LABEL
VU
VU
VU
VU
VU
VU
ZC
ZC
ZC
ZC
ZC
ZC
DEFAULT
00001100
0
1
Input PGA Volume
0000 0000 = +6dB
0000 0001 = +5.5dB
…0.5dB steps
00001100 = 0dB
…
1001 1110 = -73.5dB
1001 1111 = PGA Mute
Input PGA Volume Update
0 = Latch corresponding volume setting into
Register Map but do not update volume
1 = Latch
into Register Map and update all channels
simultaneously
PGA Gain Zero Cross Enable
0 = PGA gain updates occur immediately
1 = PGA gain updates occur on zero cross
corresponding volume setting
DESCRIPTION
PP Rev 1.0 January 2007
WM8594
35