AT83EC5123 ATMEL Corporation, AT83EC5123 Datasheet - Page 20
AT83EC5123
Manufacturer Part Number
AT83EC5123
Description
(AT8xx512x) Smart Card Reader ICs
Manufacturer
ATMEL Corporation
Datasheet
1.AT83EC5123.pdf
(187 pages)
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20
AT8xC5122/23
Table 14. LED Port Control Register 1- LEDCON1 (F1h) only for AT8xC5122
Reset Value = 0000 0000b
Bit Number Bit Mnemonic Description
7 - 6
5 - 4
3 - 2
1 - 0
7
-
LED6
LED5
LED4
6
-
LED6.1
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Port LED6 Configuration bits
00 LED control disabled
01 2 mA current source when P4.5 is configured as Quasi-bi-directional mode
10 4 mA current source when P4.5 is configured as Quasi-bi-directional mode
11 10 mA current source when P4.5 is configured as Quasi-bidirect. mode
Port LED5 Configuration bits
00 LED control disabled
01 2 mA current source when P4.4 is configured as Quasi-bi-directional mode
10 4 mA current source when P4.4 is configured as Quasi-bi-directional mode
11 10 mA current source when P4.4 is configured as Quasi-bidirect. mode
Port LED0 Configuration bits
00 LED control disabled
01 2 mA current source when P4.3 is configured as Quasi-bi-directional mode
10 4 mA current source when P4.3 is configured as Quasi-bi-directional mode
11 10 mA current source when P4.3 is configured as Quasi-bidirect. mode
5
LED6.0
4
LED5.1
3
LED5.0
2
LED4.1
1
4202B–SCR–07/03
LED4.0
0
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