wm8400 Wolfson Microelectronics plc, wm8400 Datasheet - Page 192

• Manufacturer Part Number: wm8400
• Description: Wolfson Audioplustm Hi-fi Audio Codec And Power Management Unit For Mobile Multimedia
• Manufacturer: Wolfson Microelectronics plc

WM8400
w
R82 (52h)
Shutdown
Reason
R83 (53h)
Reserved
R84 (54h)
Line Circuits
REGISTER
ADDRESS
2
1
0
15:14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
15:0
15:8
7:4
BIT
LDO3_UV_LVL
LDO2_UV_LVL
LDO1_UV_LVL
SDR_CHIP_SOFTS
D
SDR_NPDN
SDR_CHIP_GT150
SDR_CHIP_GT115
SDR_LINE_CMP
SDR_UVLO
SDR_DC2_UV
SDR_DC1_UV
SDR_LDO4_UV
SDR_LDO3_UV
SDR_LDO2_UV
SDR_LDO1_UV
LINE_CMP_VTHI
[3:0]
LABEL
0b
0b
0b
00b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0b
0000h
00h
0111b
DEFAULT
LDO3 Regulator IRQ level
0 = LDO3 voltage normal
1 = LDO3 undervoltage detected
LDO2 Regulator IRQ level
0 = LDO2 voltage normal
1 = LDO2 undervoltage detected
LDO1 Regulator IRQ level
0 = LDO1 voltage normal
1 = LDO1 undervoltage detected
Reserved - Do Not Change
CHIP_SOFTSD shutdown status
0 = Disabled
1 = Enabled
Reserved - Do Not Change
NPDN shutdown status
0 = Disabled
1 = Enabled
Reserved - Do Not Change
Temperature Level 2 shutdown status
0 = Disabled
1 = Enabled
Temperature Level 1 shutdown status
0 = Disabled
1 = Enabled
Battery Comparator shutdown status
0 = Disabled
1 = Enabled
UVLO shutdown status
0 = Disabled
1 = Enabled
DC2 Undervoltage shutdown status
0 = Disabled
1 = Enabled
DC1 Undervoltage shutdown status
0 = Disabled
1 = Enabled
LDO4 Undervoltage shutdown status
0 = Disabled
1 = Enabled
LDO3 Undervoltage shutdown status
0 = Disabled
1 = Enabled
LDO2 Undervoltage shutdown status
0 = Disabled
1 = Enabled
LDO1 Undervoltage shutdown status
0 = Disabled
1 = Enabled
Reserved - Do Not Change
Reserved - Do Not Change
Rising Threshold for LINE comparator
2.70v to 3.45v in 50mv steps
See Table 98 for details
DESCRIPTION
PP, April 2009, Rev 3.0
Pre-Production
192