00
01
10
11
Tri-state (default).
0.5Hz (period is 2 seconds, duty cycle is 50%)
1 Hz (period is 1 second)
Low.
5-4
3-2
1-0
LED26_FREQ
LED25_FREQ
LED24_FREQ
R/W
R/W
R/W
VSB3V LED output frequency.
Bit
00
01
10
11
Description
Tri-state (default).
0.5Hz (period is 2 seconds, duty cycle is 50%)
1 Hz (period is 1 second)
Low.
VSB3V LED output frequency.
Bit
00
01
10
11
Description
Tri-state (default).
0.5Hz (period is 2 seconds, duty cycle is 50%)
1 Hz (period is 1 second)
Low.
VSB3V LED output frequency.
Bit
00
01
10
11
Description
Tri-state (default).
0.5Hz (period is 2 seconds, duty cycle is 50%)
1 Hz (period is 1 second)
Low.
7.10 GPIO1x Output Control Register – Index 10h
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
7
GP17_OCTRL
R/W
VSB3V GPIO 17 output control. Set to 1 for output function. Set to 0 for input
function(default).
6
5
4
GP16_OCTRL
GP15_OCTRL
GP14_OCTRL
R/W
R/W
R/W
VSB3V GPIO 16 output control. Set to 1 for output function. Set to 0 for input
function(default).
VSB3V GPIO 15 output control. Set to 1 for output function. Set to 0 for input
function(default).
VSB3V GPIO 14 output control. Set to 1 for output function. Set to 0 for input
- 16 -
July, 2007
V0.24P