Z86C83 Datasheet, PDF (41/46 Pages) Zilog, Inc. – Z8 MCU MICROCONTROLLERS

Z8 CONTROL REGISTERS
R240
D7 D6 D5 D4 D3 D2 D1 D0
Reserved (Must be 0)
Figure 51. Reserved
R241 TMR
D7 D6 D5 D4 D3 D2 D1 D0
0 No Function
1 Load T0
0 Disable T0 Count
1 Enable T0 Count
0 No Function
1 Load T1
0 Disable T1 Count
1 Enable T1 Count
TIN Modes
00 External Clock Input
01 Gate Input
10 Trigger Input
(Non-retriggerable)
11 Trigger Input
(Retriggerable)
Reserved (Must be 0)
Z86C83/C84
Z8^® MCU Microcontrollers
R243 PRE1
1
D7 D6 D5 D4 D3 D2 D1 D0
Count Mode
0 T1 Single Pass
1 T1 Modulo
Clock Source
1 T1 Internal
0 T1 External Timing Input
(TIN) Mode
Prescaler Modulo
(Range: 1-64 Decimal
01-00 HEX)
Figure 54. Prescaler 1 Register (F3_H: Write-Only)
R244 T0
D7 D6 D5 D4 D3 D2 D1 D0
T0 Initial Value
(When Written)
(Range: 1-256 Decimal
01-00 HEX)
T0 Current Value
(When READ)
Figure 55. Counter/Timer 0 Register (F4_H: Read/Write)
Figure 52. Timer Mode Register (F1_H: Read/Write)
R242 T1
D7 D6 D5 D4 D3 D2 D1 D0
T1 Initial Value
(When Written)
(Range 1-256 Decimal
01-00 HEX)
T1 Current Value
(When READ)
Figure 53. Counter/Timer 1 Register (F2_H: Read/Write)
R245 PRE0
D7 D6 D5 D4 D3 D2 D1 D0
Count Mode
0 T0 Single Pass
1 T0 Modulo N
Reserved (Must be 0.)
Prescaler Modulo
(Range: 1-64 Decimal
01-00 Hex)
Figure 56. Prescaler 0 Register (F5_H: Write-Only)
DS96DZ80203
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