wm8352 Wolfson Microelectronics plc, wm8352 Datasheet - Page 293
wm8352
Manufacturer Part Number
wm8352
Description
Wolfson Audioplus? Stereo Codec With Power Management
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8352.pdf
(335 pages)
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Part Number
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Part Number:
wm8352GEB
Manufacturer:
WOLFSON
Quantity:
20 000
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Production Data
Register B1h DCDC Active options
Register B2h DCDC Sleep options
w
REGISTER
REGISTER
REGISTER
Power-check
DCDC Sleep
ADDRESS
ADDRESS
ADDRESS
R178 (B2h)
R179 (B3h)
comparator
options
BIT
BIT
BIT
6:4
2:0
14
12
0
5
3
2
0
PCCMP_OFF_THR[2:0]
PCCMP_ON_THR[2:0]
PCCOMP_HIB_MODE
DC6_SLEEP
DC4_SLEEP
DC3_SLEEP
DC1_SLEEP
DC1_ACTIVE
PCCMP_ERRACT
LABEL
LABEL
LABEL
DEFAULT
DEFAULT
0
0
0
0
1
DEFAULT
010
101
0
0
DC-DC 6 Sleep mode
0 = Normal DC-DC operation
1 = Select LDO mode
Reset by state machine.
DC-DC 4 Sleep mode
0 = Normal DC-DC operation
1 = Select LDO mode
Reset by state machine.
DC-DC 3 Sleep mode
0 = Normal DC-DC operation
1 = Select LDO mode
Reset by state machine.
DC-DC 1 Sleep mode
0 = Normal DC-DC operation
1 = Select LDO mode
Reset by state machine.
Reset by state machine.
DC-DC 1 Active mode
0 = Select Standby mode
1 = Select Active mode
Reset by state machine.
Action when supply falls below
PCCMP_OFF_THR level
0 = Generate critical supply interrupt only
1 = Generate interrupt and trigger hard shut
down
Reset by state machine.
Function of Hyst Comp in the hibernate state
0 = Hyst Comp is not used in hibernate state
1 = Hyst comp is on in the hibernate state
Power check comparator critical battery
("system turn off") threshold value
000 = 2.9V
001 = 3.0V
…
111 = 3.6V
Protected by security key. Default held in metal
mask.
Power check comparator ("system turn on")
threshold value
000 = 2.9V
001 = 3.0V
…
111 = 3.6V
Protected by security key. Default held in metal
DESCRIPTION
DESCRIPTION
DESCRIPTION
PD, June 2009, Rev 4.1
REFER TO
REFER TO
REFER TO
WM8352
293
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