Z8F082ASH020SC Datasheet, PDF (63/244 Pages) Zilog, Inc. – Z8 Encore XP-R F08xA Series with eXtended Peripherals

Z8 Encore! XP^® F08xA Series
Product Specification
45
R/W
ADDR
Table 29. LED Drive Level High Register (LEDLVLH)
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
F83H
LEDLVLH[7:0]—LED Level High Bit
{LEDLVLH, LEDLVLL} select one of four programmable current drive levels for each
Port C pin.
00 = 3 mA
01= 7 mA
10= 13 mA
11= 20 mA
LED Drive Level Low Register
The LED Drive Level registers contain two control bits for each Port C pin (Table 30).
These two bits select between four programmable drive levels. Each pin is individually
programmable.
Table 30. LED Drive Level Low Register (LEDLVLL)
BITS
FIELD
RESET
R/W
ADDR
7
6
5
4
3
2
1
0
LEDLVLL[7:0]
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
F84H
LEDLVLH[7:0]—LED Level High Bit
{LEDLVLH, LEDLVLL} select one of four programmable current drive levels for each
Port C pin.
00 = 3 mA
01 = 7 mA
10 = 13 mA
11 = 20 mA
PS024705-0405
PRELIMINARY
General-Purpose I/O