wm8400 Wolfson Microelectronics plc, wm8400 Datasheet - Page 189

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wm8400

Manufacturer Part Number
wm8400
Description
Wolfson Audioplustm Hi-fi Audio Codec And Power Management Unit For Mobile Multimedia
Manufacturer
Wolfson Microelectronics plc
Datasheet
w
Pre-Production
R77 (4Dh)
Reserved
R78 (4Eh)
PM Shutdown
Control
R79 (4Fh)
Interrupt
Status 1
REGISTER
ADDRESS
3
2
1:0
15:0
15:10
9
8
7
6
5:0
15
14
13
12
11
10
9
8
BIT
DSLEEP1_POL
DSLEEP2_POL
PWR_STATE
CHIP_GT150_ERR
ACT
CHIP_GT115_ERR
ACT
LINE_CMP_ERRAC
T
UVLO_ERRACT
MICD_CINT
MICSCD_CINT
JDL_CINT
JDR_CINT
CODEC_SEQ_END
_EINT
CDEL_TO_EINT
CHIP_GT150_EINT
CHIP_GT115_EINT
LABEL
0
0
00
0b
00000b
1b
0b
1b
1b
000000b
0b
0b
0b
0b
0b
0b
0b
0b
DEFAULT
MSLEEP control
0 = Active high
1 = Active low
HSLEEP control
0 = Active high
1 = Active low
Power State software control
00 = Active
01 = Soft Sleep
10 = Deep Sleep
11 = Reserved
Reserved - Do Not Change
Reserved - Do Not Change
Device Overtemperature 2 Action
0 = UVLO generates IRQ only
1 = UVLO generates IRQ and initiates device shutdown
Device Overtemperature 1 Action
0 = UVLO generates IRQ only
1 = UVLO generates IRQ and initiates device shutdown
Battery Comparator Action
0 = Battery failure condition generates IRQ only
1 = Battery failure condition generates IRQ and initiates device
shutdown
Undervoltage Lock-Out Action
0 = UVLO generates IRQ only
1 = UVLO generates IRQ and initiates device shutdown
Reserved - Do Not Change
MIC Current Detect IRQ status
0 = MIC Current IRQ not set
1 = MIC Current IRQ set
MIC Short Circuit IRQ status
0 = MIC Short Circuit IRQ not set
1 = MIC Short Circuit IRQ set
Jack Detect (Left) IRQ status
0 = Jack Detect (Left) IRQ not set
1 = Jack Detect (Left) IRQ set
Jack Detect (Right) IRQ status
0 = Jack Detect (Right) IRQ not set
1 = Jack Detect (Right) IRQ set
CODEC softstart or shutdown status
0 = CODEC sequence normal
1 = CODEC softstart or shutdown sequence completed
CDELAY IRQ status
0 = CDELAY normal
1 = Reset Delay Timer was triggered by 500ms timeout OR
invalid CDELAY capacitance caused CDELAY error.
Temperature Level 2 IRQ status
0 = 150°C threshold not exceeded
1 = 150°C threshold exceeded
Temperature Level 1 IRQ status
0 = 115°C threshold not exceeded
1 = 115°C threshold exceeded
DESCRIPTION
PP, April 2009, Rev 3.0
WM8400
189

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