z80189 ZiLOG Semiconductor, z80189 Datasheet - Page 176

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z80189

Manufacturer Part Number
z80189
Description
Z80180, Z8s180, Z8l180 Mpu Operation
Manufacturer
ZiLOG Semiconductor
Datasheet
Timer Reload Register Channel 1L (RLDR1L: 16H)
Timer Reload Register Channel 1H (RLDR1H: 17H)
Timer Control Register (TCR: 10H)
Bit
Bit/Field
R/W
Reset
Note: R = Read W = Write X = Indeterminate ? = Not Applicable
Bit
Bit/Field
R/W
Reset
Note: R = Read W = Write X = Indeterminate ? = Not Applicable
Bit
Bit/Field
R/W
Reset
Note: R = Read W = Write X = Indeterminate ? = Not Applicable
TIF1
R
7
0
7
7
Timer Control Register (TCR)
TCR monitors both channels (PRT0, PRT1) TMDR status. It also controls
enabling and disabling of down counting and interrupts along with
controlling output pin A18/TOUT for PRT1.
TIF0
R
6
0
6
6
TIE1
R/W
5
0
5
5
Timer Reload Data
Timer Reload Data
TIE0
R/W
4
0
4
4
R/W
R/W
0
0
TOC1
R/W
3
0
3
3
Family MPU User Manual
TOC0
R/W
2
2
2
0
TDE1
UM005003-0703
R/W
1
1
1
0
Z8018x
TDE0
R/W
0
0
0
0
161

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