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WM8351 Datasheet(PDF) 123 Page - Wolfson Microelectronics plc

Part # WM8351
Description  Wolfson AudioPlus??Stereo CODEC with Power Management
PDF  330 Pages
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Manufacturer  WOLFSON [Wolfson Microelectronics plc]
Direct Link  http://www.wolfsonmicro.com
Logo WOLFSON - Wolfson Microelectronics plc

WM8351 Datasheet(HTML) 123 Page - Wolfson Microelectronics plc

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Production Data
WM8351
w
PD, April 2012, Rev 4.5
123
14.5.3
CONFIGURATION MODE 11
In Configuration Mode 11, the following general default settings apply:
PARAMETER
REGISTER SETTING
DESCRIPTION
ON polarity
ON_POL = 1
ON pin is Active Low
USB power source
USB_SLV_500MA = 1
Selects 500mA limit in USB slave
Watchdog timer
WDOG_MODE [1:0] = 00
Watchdog is disabled
Control Interface
SPI_3WIRE = 0
SPI_4WIRE = 0
SPI_CFG = 0
Control Interface is 2-wire mode
32kHz oscillator
OSC32K_ENA = 1
32kHz Oscillator is enabled
Real Time Clock
RTC_TICK_ENA = 1
RTC_CLKSRC = 0
Real Time Clock is enabled, driven
by the internal 32kHz oscillator
LDO1
LDO1_PIN_MODE = 0
LDO1_PIN_EN = 0
LDO1 controlled as normal via
register bits
Crystal detect
mode
Crystal detect mode is enabled.
(/RST output is held low until 32kHz
oscillator is valid.)
The default voltages and the power-up sequence for all DC-DCs and LDOs in configuration mode 11
are shown below in Table 69 and Figure 68.
The time delay between each time slot is approximately 1.28ms.
Note that the Limit Switch is not enabled automatically in Configuration Mode 11; as a result, the Limit
Switch remains open when the WM8351 enters the ACTIVE state.



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