WM8321
Production Data
REFER TO
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
11 = 62.5ms
LED1_DUTY_C
YC [1:0]
LED1 Duty Cycle (On:Off ratio)
1:0
10
(when LED1_MODE = Continuous Pulsed or Pulsed
Sequence)
00 = 1:1 (50% on)
01 = 1:2 (33.3% on)
10 = 1:3 (25% on)
11 = 1:7 (12.5% on)
Register 404Ch Status LED 1
REGISTER
ADDRESS
BIT
LABEL
DEFAULT
DESCRIPTION
REFER TO
R16461
(404Dh)
Status LED
2
LED2_SRC
[1:0]
LED2 Source
15:14
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
LED2_MODE
[1:0]
LED2 Mode
9:8
5:4
3:2
00
10
01
(Controls LED2 in Manual Mode only.)
00 = Off
01 = Constant
10 = Continuous Pulsed
11 = Pulsed Sequence
LED2 Pulse Sequence Length
(when LED2_MODE = Pulsed Sequence)
00 = 1 pulse
LED2_SEQ_LE
N [1:0]
01 = 2 pulses
10 = 4 pulses
11 = 7 pulses
LED2_DUR
[1:0]
LED2 On time
(when LED2_MODE = Continuous Pulsed or Pulsed
Sequence)
00 = 1 second
01 = 250ms
10 = 125ms
11 = 62.5ms
LED2_DUTY_C
YC [1:0]
LED2 Duty Cycle (On:Off ratio)
1:0
10
(when LED2_MODE = Continuous Pulsed or Pulsed
Sequence)
00 = 1:1 (50% on)
01 = 1:2 (33.3% on)
10 = 1:3 (25% on)
11 = 1:7 (12.5% on)
Register 404Dh Status LED 2
PD, February 2012, Rev 4.0
184
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
