Z8F042AHJ020SG Datasheet, PDF (71/282 Pages) Zilog, Inc. – High-Performance 8-Bit Microcontrollers

Z8 Encore! XP^® F082A Series
Product Specification
54
LED Drive Level Low Register
The LED Drive Level registers contain two control bits for each Port C pin (Table 33).
These two bits select between four programmable drive levels. Each pin is individually
programmable.
Table 33. LED Drive Level Low Register (LEDLVLL)
Bit
7
6
5
4
3
2
1
0
Field
LEDLVLL[7:0]
RESET
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Address
F84H
Bit
Description
[7:0]
LEDLVLLx
LED Level Low 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
Note: x indicates the specific GPIO port pin number (7–0).
PS022827-1212
PRELIMINARY
GPIO Control Register Definitions