Lpg Control Register (Lcr); Led Blinking Period - Texas Instruments OMAP5910 Technical Reference Manual

LED Pulse Generator
Table 7–74. LPG Control Register (LCR)
Bit Name
7 PERM_ON
6 LPGRES
5–3 ONCTRL
2–0 PERCTRL
Table 7–75. LED Blinking Period
LCR Bit 2 LCR Bit 1
0
0
0
0
1
1
1
1
7-102
Function
Set high to force permanent light on.
Asynchronous writing and reading.
LPG counter reset, active low.
Asynchronous writing and reading.
Time LED is on parameter.
Asynchronous writing and reading.
LED blink frequency.
Asynchronous writing and reading.
With the LCR bits 2-0, the blinking period of the LED is determined.
LCR Bit 0
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
Period of LED
125 ms
250 ms
500 ms
1 s
1.5 s
2 s
2.5 s
3 s
Reset
R/W
Value
R/W 0
R/W 0
R/W 000
R/W 000
Number of Clock Cycles
32
64
128
256
384
512
640
768