wm8350 Wolfson Microelectronics plc, wm8350 Datasheet - Page 223
wm8350
Manufacturer Part Number
wm8350
Description
Wolfson Audioplus? Stereo Codec With Power Management
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8350.pdf
(345 pages)
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REGISTER
Production Data
27 REGISTER BITS BY ADDRESS
ADDRESS
Register 00h Reset/ID
Register 01h ID
Register 02h Revision
REGISTER
w
REGISTER
REGISTER
ADDRESS
ADDRESS
ADDRESS
R1 (01h) ID
R0 (00h)
Reset/ID
Control 1
R2 (02h)
R3 (03h)
Revision
System
BIT
15:0
15:12
11:10
BIT
BIT
BIT
7:0
7:0
15
14
13
12
SW_RESET/CHIP_ID[15:0] 0110_0001_0100_0011 Reading this register returns 6143h.
MASK_REV[7:0]
CONF_STS[1:0]
CHIP_REV[3:0]
VCC_FAULT_OV
CUST_ID[7:0]
POWERCYCLE
LABEL
LABEL
SYS_RST
CHIP_ON
LABEL
LABEL
DEFAULT
DEFAULT
DEFAULT
0
0
0
1
The ROM Mask ID
The functional silicon revision - this tracks changes in
functionality which are separate from ROM mask
settings
The state of the configuration pins. This selects what
register defaults should be.
The Chip Revision Number
DEFAULT
Indicates whether the system is on or off. Writing
0 to this bit powers down the whole chip. Registers
which are affected by state machine reset will get
reset.
Once the system is turned OFF it can be restarted
by any of the valid ON event.
Reset by state machine. Default held in metal
mask.
Allows the processors to reboot itself
0 = Do nothing
1 = Perform a processor reset by asserting the
/RST and /MEMRST (GPIO) pins for the
programmed duration
Protected by security key. Reset by state machine.
Default held in metal mask.
Action to take on a fault (if response is set to
shutdown system):
0 = Shut down
1 = Shutdown everything then go through startup
sequence. i.e. Reboot the system.
Include over voltage in the /VCC_FAULT pin
(Alternative GPIO function)
0 = Do not include over voltage in the
/VCC_FAULT signal
1 = Include the over voltage in the /VCC_FAULT
signal
Reset by state machine. Default held in metal
mask.
DESCRIPTION
DESCRIPTION
DESCRIPTION
Never reset.
DESCRIPTION
PD, June 2009, Rev 4.1
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WM8350
223
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