WM8321
Production Data
REFER TO
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
0 = GPIO input (long de-bounce)
1 = GPIO input
2 = Power On/Off request
3 = Sleep/Wake request
4 = Sleep/Wake request (long de-bounce)
5 = Sleep request
6 = Power On request
7 = Watchdog Reset input
8 = DVS1 input
9 = DVS2 input
10 = HW Enable1 input
11 = HW Enable2 input
12 = HW Control1 input
13 = HW Control2 input
14 = HW Control1 input (long de-bounce)
15 = HW Control2 input (long de-bounce)
Output functions:
0 = GPIO output
1 = 32.768kHz oscillator output
2 = ON state
3 = SLEEP state
4 = Power State Change
5 = Reserved
6 = Reserved
7 = Reserved
8 = DC-DC1 DVS Done
9 = DC-DC2 DVS Done
10 = External Power Enable1
11 = External Power Enable2
12 = System Supply Good (SYSOK)
13 = Converter Power Good (PWR_GOOD)
14 = External Power Clock (2MHz)
15 = Auxiliary Reset
LED1 Source
LED1_SRC
[1:0]
3:2
11
(Selects the LED1 function.)
00 = Off
01 = Power State Status
10 = Reserved
11 = Manual Mode
Note - LED1 also indicates completion of OTP Auto
Program
LED2_SRC
[1:0]
LED2 Source
1:0
11
(Selects the LED2 function.)
00 = Off
01 = Power State Status
10 = Reserved
11 = Manual Mode
Note - LED2 also indicates an OTP Auto Program Error
condition
Register 781Dh GPIO4 OTP Control
PD, February 2012, Rev 4.0
240
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