wm8351 Wolfson Microelectronics plc, wm8351 Datasheet - Page 299

• Manufacturer Part Number: wm8351
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

Production Data
REGISTER
Register BFh DCDC4 Low Power
Register C7h Limit Switch Control
w
REGISTER
ADDRESS
ADDRESS
Limit Switch
R199 (C7h)
Control
BIT
15:14
13:10
BIT
9:6
4
1
0
LS_ERRACT[1:0]
LS_ENSLOT[3:0]
LS_SDSLOT[3:0]
LS_HIB_MODE
LS_HIB_PROT
LS_PROT
LABEL
LABEL
DEFAULT
0000
0000
DEFAULT
00
0
1
1
Current limit detection behaviour
00 = ignore
01 = disable switch
10 = shut down system
11 = shut down system
Reset by state machine. Default held in metal mask.
Time slot for Limit Switch start-up
0000 = Disabled (do not start up)
0001 = Start-up in time slot 1
… (total 14 slots available)
1110 = Start-up in time slot 14
1111 = Start-up on entering ACTIVE
Reset by state machine. Default held in metal mask.
Time slot for Limit Switch shutdown.
0000 = Shut down on entering OFF
0001 = Shutdown in time slot 1
…. (total 14 slots available)
1110 = Shutdown in time slot 14
1111 = Shut down on entering OFF
Limit switch hibernate mode setting
0 = disabled
1 = leave setting as in Active mode
Controls the bulk detection circuit when Limit Switch
is disabled in Hibernate mode.
0 = bulk detection disabled
1 = bulk detection enabled
Controls the bulk detection circuit when Limit Switch
is disabled in Active mode.
0 = bulk detection disabled
1 = bulk detection enabled
101 0110 = 3.0V
100 1110 = 2.8V
……
010 0110 = 1.8V
000 1110 = 1.2V
000 0110 = 1.0V
000 0000 = 0.85V
DESCRIPTION
DESCRIPTION
PD, June 2009, Rev 4.1
REFER TO
REFER TO
WM8351
299