wm8350 Wolfson Microelectronics plc, wm8350 Datasheet - Page 226
wm8350
Manufacturer Part Number
wm8350
Description
Wolfson Audioplus? Stereo Codec With Power Management
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8350.pdf
(345 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
wm8350G
Manufacturer:
WOLFSON
Quantity:
20 000
Part Number:
wm8350GEB/RVLRG
Manufacturer:
WOLFSON
Quantity:
20 000
- Current page: 226 of 345
- Download datasheet (3Mb)
WM8350
REGISTER
Register 04h System Control 2
REGISTER
w
ADDRESS
ADDRESS
Hibernate
R5 (05h)
System
BIT
BIT
5:4
2:0
15
7
6
5
4
3
2
REG_RESET_HIB_MODE
WDOG_MODE[1:0]
MEMRST_HIB_MODE
HIB_STARTUP_SEQ
WDOG_HIB_MODE
WDOG_TO[2:0]
RST_HIB_MODE
IRQ_HIB_MODE
HIBERNATE
LABEL
LABEL
DEFAULT
DEFAULT
100
00
00
01
00
0
0
0
0
0
0
0
00 = Disabled
01 = SYS_WDOG_TO interrupt on time-out
10 = WKUP_WDOG_RST interrupt and System
reset on time-out
11 = SYS_WDOG_TO interrupt on first time-out,
WKUP_WDOG_RST interrupt and System reset
on second time-out
Protected by security key. Reset by state
machine. Default held in metal mask.
Watchdog timeout (seconds)
The timer is reset to this value when a
HEARTBEAT signal edge is detected or the host
writes to the watchdog control register.
000 = 0.125s
… (time doubles with each step)
101 = 4s
11x = Reserved
Protected by security key.
Determines what state the chip should
operate in.
0 = Active state
1 = Hibernate state
The register bit defaults to 0, when a reset
happens
Reset by state machine. Default held in metal
mask.
Watchdog behaviour in HIBERNATE state
0 = WDOG disabled in Hibernate
1 = WDOG controlled by WDOG_MODE in
Hibernate
Direction to take when going from Hibernate
state to the Active state.
0 = Hibernate to Active without going through
startup state
1 = Hibernate to Active goes though startup
sequence
Action of the internal register reset signal
when going from Hibernate to Active.
0 = Do a register reset when leaving the
hibernate state.
1 = Do not do a register reset when leaving
the hibernate state
/RST pin state in hibernate mode:
0 = Asserted (low)
1 = Not asserted (high)
IRQ pin state in hibernate mode
0 = Normal operation
1 = Forced to indicate there is no IRQ
/MEMRST (Alternative GPIO function) pin
state in hibernate mode
0 = Asserted (low)
1 = Not asserted (high)
DESCRIPTION
DESCRIPTION
PD, June 2009, Rev 4.1
REFER TO
REFER TO
Production Data
226
Related parts for wm8350
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
24-bit, 192khz 6-channel Dac With Volume Control
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
24-bit, 192khz 6-channel Dac
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
HI FI AND TELEPHONY DUAL CODEC
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Stereo Codec Portable Audio Applications
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Stereo Codec For Portable Audio Applications
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Multichannel Codec With S/pdif Transceiver
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Ac97 Audio Codec Mixer With Integrated Headphone Driver
Manufacturer:
Wolfson Microelectronics plc
Datasheet:
Part Number:
Description:
Ac-link Interface Audio Dac
Manufacturer:
Wolfson Microelectronics plc
Datasheet: