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WM8352 데이터시트(PDF) 219 Page - Wolfson Microelectronics plc

부품명 WM8352
상세설명  Wolfson AudioPlus™ Stereo CODEC with Power Management
PDF  336 Pages
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제조업체  WOLFSON [Wolfson Microelectronics plc]
홈페이지  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8352 데이터시트(HTML) 219 Page - Wolfson Microelectronics plc

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Production Data
WM8352
w
PD, February 2011, Rev 4.4
219
27 REGISTER BITS BY ADDRESS
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R0 (00h)
Reset/ID
15:0
SW_RESET/CHIP_ID[15:0] 0110_0001_0100_0011 Reading this register returns 6143h.
Never reset.
Register 00h Reset/ID
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R1 (01h) ID
15:12
CHIP_REV[3:0]
The functional silicon revision - this tracks changes in
functionality which are separate from ROM mask
settings
11:10
CONF_STS[1:0]
The state of the configuration pins. This selects what
register defaults should be.
7:0
CUST_ID[7:0]
The Chip Revision Number
Register 01h ID
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R2 (02h)
Revision
7:0
MASK_REV[7:0]
The ROM Mask ID
Register 02h Revision
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R3 (03h)
System
Control 1
15
CHIP_ON
0
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.
14
SYS_RST
0
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.
13
POWERCYCLE
0
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.
12
VCC_FAULT_OV
1
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.



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