WM8321
Production Data
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
Thermal Warning status
REFER TO
R16397
(400Dh)
System
Status
THW_STS
15
0
0 = Normal
1 = Overtemperature Warning
(warning temperature is set by THW_TEMP)
Crystal Oscillator Status
0 = Disabled or in start-up phase
1 = Enabled and verified
Main State Machine condition
0_0000 = OFF
XTAL_OK
7
0
MAIN_STATE
[4:0]
4:0
0_0000
0_0001 = ON_CHK
0_0010 = OTP_DN
0_0011 = READ_OTP
0_0100 = READ_ICE
0_0101 = ICE_DN
0_0110 = BGDELAY
0_0111 = HYST
0_1000 = S_PRG_RD_OTP
0_1001 = S_PRG_OTP_DN
0_1010 = PWRDN1
0_1011 = PROGRAM
0_1100 = PROG_DN
0_1101 = PROG_OTP
0_1110 = VFY_OTP
0_1111 = VFY_DN
1_0000 = SD_RD_OTP
1_0001 = UNUSED
1_0010 = ICE_FAIL
1_0011 = SHUTDOWN
1_0100 = STARTFAIL
1_0101 = STARTUP
1_0110 = PREACTIVE
1_0111 = XTAL_CHK
1_1000 = PWRDN2
1_1001 = SHUT_DLY
1_1010 = RESET
1_1011 = RESET_DLY
1_1100 = SLEEP
1_1101 = SLEEP_DLY
1_1110 = CHK_RST
1_1111 = ACTIVE (ON)
Register 400Dh System Status
PD, February 2012, Rev 4.0
152
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
