wm8351 Wolfson Microelectronics plc, wm8351 Datasheet - Page 117

• Manufacturer Part Number: wm8351
• Description: Wolfson Audioplus? Stereo Codec With Power Management
• Manufacturer: Wolfson Microelectronics plc

Production Data
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14.5.1
In Configuration Mode 01, the following general default settings apply:
The default voltages and the power-up sequence for all DC-DCs and LDOs in Configuration Mode 01
are shown below in Table 64 and Figure 66.
The time delay between each time slot is approximately 1.28ms.
Note that the Limit Switch is not enabled automatically in Configuration Mode 01; as a result, the
Limit Switch remains open when the WM8351 enters the ACTIVE state.
ON polarity
USB power source
Watchdog timer
Control Interface
32kHz oscillator
Real Time Clock
LDO1
Crystal detect
mode
PARAMETER
CONFIGURATION MODE 01
ON_POL = 1
USB_SLV_500MA = 1
WDOG_MODE [1:0] = 00
SPI_3WIRE = 0
SPI_4WIRE = 0
SPI_CFG = 0
OSC32K_ENA = 1
RTC_TICK_ENA = 1
RTC_CLKSRC = 0
LDO1_PIN_MODE = 1
LDO1_PIN_EN = 0
REGISTER SETTING
ON pin is Active Low
Selects 500mA limit in USB slave
Watchdog is disabled
Control Interface is 2-wire mode
32kHz Oscillator is enabled
Real Time Clock is enabled
LDO1 enabled at all times
Crystal detect mode is not enabled.
DESCRIPTION
PD, June 2009, Rev 4.1
WM8351
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