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WM8946ECS/R 데이터시트(PDF) 121 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) 121 Page - Wolfson Microelectronics plc

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Production Data
WM8946
w
PD, July 2012, Rev 4.3
121
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
3:0
GP1_FN[3:0]
0000
GPIO1 Pin Function
0000 = Logic Level Input
0001 = Edge Detection Input
0010 = CLKOUT output
0011 = Interrupt (IRQ) output
0100 = Reserved
0101 = Reserved
0110 = Reserved
0111 = Temperature flag output
1000 = Reserved
1001 = DMICCLK output
1010 = Logic Level output
1011 = LDO_UV output
1100 = Reserved
1101 = Reserved
1110 = Reserved
1111 = Reserved
Register 0Ch GPIO1 Control
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R13 (0Dh)
GPIO2
Control
15
GP2_DIR
1
GPIO2 Pin Direction
0 = Output
1 = Input
14:13
GP2_PULL[1:0]
00
GPIO2 pull-up / pull-down Enable
00 = no pull-up or pull-down
01 = pull-down
10 = pull-up
11 = reserved
12
GP2_INT_MOD
E
0
GPIO2 Interrupt Mode
0 = GPIO interrupt is rising edge triggered (if
GP2_POL=0) or falling edge triggered (if GP2_POL =1)
1 = GPIO interrupt is triggered on rising and falling
edges
10
GP2_POL
0
GPIO2 Polarity Select
0 = Non-inverted
1 = Inverted
5
GP2_LVL
0
GPIO2 level. Write to this bit to set a GPIO output.
Read from this bit to read GPIO input level.
When GP2_POL is set, the register contains the
opposite logic level to the external pin.
3:0
GP2_FN[3:0]
0000
GPIO2 Pin Function
0000 = Logic Level Input
0001 = Edge Detection Input
0010 = CLKOUT output
0011 = Interrupt (IRQ) output
0100 = Reserved
0101 = Reserved
0110 = Reserved
0111 = Temperature flag output
1000 = Reserved
1001 = DMICCLK output
1010 = Logic Level output
1011 = LDO_UV output
1100 = Reserved
1101 = Reserved



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