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ADP8863
Bit Name
SC4_EN
SC3_EN
SC2_EN
SC1_EN
Bit No.
3
2
1
0
Description
This enable acts upon LED4.
1 = SC4 is turned on.
0 = SC4 is turned off.
This enable acts upon LED3.
1 = SC3 is turned on.
0 = SC3 is turned off.
This enable acts upon LED2.
1 = SC2 is turned on.
0 = SC2 is turned off.
This enable acts upon LED1.
1 = SC1 is turned on.
0 = SC1 is turned off.
Independent Sink Current Time (ISCT1)—Register 0x11
Table 44. ISCT1 Bit Map
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
SCON
SC7OFF
SC6OFF
SC5OFF
Table 45. Bit Descriptions for the ISCT1 Register
Bit Name
SCON
SC7OFF
SC6OFF
SC5OFF
Bit No.
[7:6]
[5:4]
[3:2]
[1:0]
Description 1, 2
SC on time. If the SCxOFF time is not disabled and the independent current sink is enabled (Register 0x10), the LED(s)
remains on for the time selected (per the following list) and then turns off.
00 = 0.2 sec
01 = 0.6 sec
10 = 0.8 sec
11 = 1.2 sec
SC7 off time. When the SC off time is disabled, the ISC remains on while enabled. When the SC off time is set to any
other value, the ISC turns off for the off time (per the following listed times) and then turns on according to the SCON
setting.
00 = off time disabled
01 = 0.6 sec
10 = 1.2 sec
11 = 1.8 sec
SC6 off time. When the SC off time is disabled, the ISC remains on while enabled. When the SC off time is set to any
other value, the ISC turns off for the off time (per the following listed times) and then turns on according to the SCON
setting.
00 = off time disabled
01 = 0.6 sec
10 = 1.2 sec
11 = 1.8 sec
SC5 off time. When the SC off time is disabled, the ISC remains on while enabled. When the SC off time is set to any
other value, the ISC turns off for the off time (per the following listed times) and then turns on according to the SCON
setting.
00 = off time disabled
01 = 0.6 sec
10 = 1.2 sec
11 = 1.8 sec
1
2
An independent sink remains on continuously when SCx_EN = 1 and SCxOFF = 00 (disabled).
To enable multiple independent sinks, set the appropriate SCx_EN bits. To create equivalent blinking and fading sequences, enable all independent sinks in one write
cycle to cause a preprogrammed sequence to start simultaneously.
Rev. A | Page 37 of 52
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