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WM8944BECS/R 数据表(PDF) 114 Page - Cirrus Logic

部件名 WM8944BECS/R
功能描述  Mono Low-Power CODEC with Video Buffer
PDF  165 Pages
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制造商  CIRRUS [Cirrus Logic]
网页  http://www.cirrus.com
标志 CIRRUS - Cirrus Logic

WM8944BECS/R 数据表(HTML) 114 Page - Cirrus Logic

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WM8944B
114
Rev 4.3
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
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/GPIO2 pin configuration
0 = Pin configured as CIFMODE
1 = Pin configured as GPIO2
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
R13 (0Dh)
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_
MODE
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.
3:0
GP1_FN [3:0]
0000
GPIO1 Pin Function
0000 = Logic Level Input
0001 = Edge Detection Input
0010 = CLKOUT output
0011 = Interupt (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
Table 62



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