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WM8953ECS/RV 数据表(PDF) 50 Page - Wolfson Microelectronics plc

部件名 WM8953ECS/RV
功能描述  Low Power Stereo ADC with PLL and TDM Interface
PDF  100 Pages
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制造商  WOLFSON [Wolfson Microelectronics plc]
网页  http://www.wolfsonmicro.com
标志 WOLFSON - Wolfson Microelectronics plc

WM8953ECS/RV 数据表(HTML) 50 Page - Wolfson Microelectronics plc

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WM8953
Production Data
w
PD, January 2009, Rev 4.0
50
The IRQ register (R18) is described in Table 30.
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
12
IRQ
(ro)
Read Only
IRQ Readback
(Allows polling of IRQ status)
11
TEMPOK
(rr)
Read or
Reset
Temperature OK status
Read-
0 = Device temperature NOT ok
1 = Device temperature ok
Write -
1 = Reset TEMPOK latch
10
MICSHRT
(rr)
Read or
Reset
MICBIAS short status
Read-
0 = MICBIAS ok
1 = MICBIAS shorted
Write-
1 = Reset MICSHRT latch
9
MICDET
(rr)
Read or
Reset
MICBIAS detect status
MICBIAS microphone detect Readback
Read-
0 = No Microphone detected
1 = Microphone detected
Write-
1 = Reset MICDET latch
8
PLL_LCK
(rr)
Read or
Reset
PLL Lock status
Read-
0 = PLL NOT locked
1 = PLL locked
Write-
1 = Reset PLL_LCK latch
R18 (12h)
7:0
GPIO_STATUS
[7:0]
(rr)
Read or
Reset
GPIO and GPI Input Pin Status
GPIO_STATUS[7] = GPI8 pin status
GPIO_STATUS[6] = GPI7 pin status
GPIO_STATUS[5] = Reserved
GPIO_STATUS[4] = GPIO5 status
GPIO_STATUS[3] = GPIO4 status
GPIO_STATUS[2] = GPIO3 status
GPIO_STATUS[1] = Reserved
GPIO_STATUS[0] = Reserved
R23 (17h)
GPIO
Control (2)
12
IRQ_INV
(rw)
0b
IRQ Invert
0 = IRQ output active high
1 = IRQ output active low
Table 30 GPIO Interrupt and Status Readback



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