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WM8946ECS/R 데이터시트(PDF) 120 Page - Wolfson Microelectronics plc

부품명 WM8946ECS/R
상세설명  Stereo Low-Power CODEC with Video Buffer
PDF  175 Pages
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제조업체  WOLFSON [Wolfson Microelectronics plc]
홈페이지  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8946ECS/R 데이터시트(HTML) 120 Page - Wolfson Microelectronics plc

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WM8946
Production Data
w
PD, July 2012, Rev 4.3
120
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R10 (0Ah)
FLL Control
3
14:5
FLL_N[9:0]
00_0000_1
000
Integer multiply for FREF
(LSB = 1)
3:0
FLL_GAIN[3:0]
0100
Gain applied to error
0000 = x 1 (Recommended value)
0001 = x 2
0010 = x 4
0011 = x 8
0100 = x 16
0101 = x 32
0110 = x 64
0111 = x 128
1000 = x 256
Recommended that this register is not changed from
default.
Register 0Ah FLL Control 3
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R11 (0Bh)
GPIO Config
0
MODE_GPIO
0
CIFMODE/GPIO3 pin configuration
0 = Pin configured as CIFMODE
1 = Pin configured as GPIO3
Note – when this bit is set to 1, it is latched and cannot
be reset until Power-Off or Software Reset.
Register 0Bh GPIO Config
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R12 (0Ch)
GPIO1
Control
15
GP1_DIR
1
GPIO1 Pin Direction
0 = Output
1 = Input
14:13
GP1_PULL[1:0]
00
GPIO1 pull-up / pull-down Enable
00 = no pull-up or pull-down
01 = pull-down
10 = pull-up
11 = reserved
12
GP1_INT_MOD
E
0
GPIO1 Interrupt Mode
0 = GPIO interrupt is rising edge triggered (if
GP1_POL=0) or falling edge triggered (if GP1_POL =1)
1 = GPIO interrupt is triggered on rising and falling
edges
10
GP1_POL
0
GPIO1 Polarity Select
0 = Non-inverted
1 = Inverted
5
GP1_LVL
0
GPIO1 level. Write to this bit to set a GPIO output.
Read from this bit to read GPIO input level.
When GP1_POL is set, the register contains the
opposite logic level to the external pin.



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