z86c96 ZiLOG Semiconductor, z86c96 Datasheet - Page 35

• Manufacturer Part Number: z86c96
• Description: Cmos Z8 Microcontroller
• Manufacturer: ZiLOG Semiconductor

Zilog
Z8 CONTROL REGISTER DIAGRAMS
DS97Z8X1600
R240 SIO
R242 T1
R241 TMR
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
Figure 30. Counter/Timer1 Register
Figure 29. Timer Mode Register
Figure 28. Serial I/O Register
(F0H: Read/Write)
(F1H: Read/Write)
(F2H: Read/Write)
T1 Initial Value
T1 Current Value
(When Written)
(Range: 1-256 Decimal
01-00 HEX)
(When Read)
0
1
T
00
01
10
11
0
1
0
1
0
1
T
00
01
10
11
Serial Data (D0 = LSB)
IN
(Non-retriggerable)
(Retriggerable)
OUT
Modes
No Function
Load T1
No Function
Load T0
Disable T0 Count
Enable T0 Count
Disable T1 Count
Enable T1 Count
External Clock Input
Gate Input
Trigger Input
Trigger Input
Not Used
T0 Out
T1 Out
Internal Clock Out
Modes
PS003501-0301
P R E L I M I N A R Y
R243 PRE1
R244 T0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
R245 PRE0
D7 D6 D5 D4 D3 D2 D1 D0
Figure 32. Counter/Timer 0 Register
Figure 31. Prescaler 1 Register
Figure 33. Prescaler 0 Register
(F4H: Read/Write)
(F3H: Write Only)
(F5H: Write Only)
CMOS Z8 Microcontroller
Clock Source
Count Mode
Prescaler Modulo
(Range: 1-64 Decimal
01-00 HEX)
1
0
0
1
T0 Initial Value
T0 Current Value
Count Mode
Reserved (Must be 0)
Prescaler Modulo
(Range: 1-64 Decimal
01-00 HEX)
T1 Internal
T1 External Timing Input
T1 Single Pass
T1 Modulo N
(When Written)
(Range: 1-256 Decimal
01-00 HEX)
(When Read)
(T
0
1
IN
) Mode
T0 Single Pass
T0 Modulo N
Z86C61/62/96
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