z86e31 ZiLOG Semiconductor, z86e31 Datasheet - Page 56

• Manufacturer Part Number: z86e31
• Description: Z8 4k Otp Microcontroller
• Manufacturer: ZiLOG Semiconductor

Zilog
Z8 CONTROL REGISTER DIAGRAMS
DS97Z8X0502
R241 TMR
D7 D6 D5 D4 D3 D2 D1 D0
R242 T1
D7 D6 D5 D4 D3 D2 D1 D0
R240
D7 D6 D5 D4 D3 D2 D1
Default After Reset = 00H
Figure 47. Counter/Timer 1 Register
Figure 46. Timer Mode Register
Figure 45. Reserved
F1H: Read/Write
F2H: Read/Write
D0
T1 Initial Value
T1 Current Value
0 No Function*
1 Load T1
TIN Modes
00 External Clock Input*
01 Gate Input
10 Trigger Input
11 Trigger Input
0 No Function*
1 Load T0
0 Disable T0 Count*
1 Enable T0 Count
0 Disable T1 Count*
1 Enable T1 Count
Reserved (Must be 0)
TOUT Modes
00 Not Used*
01 T0 Out
10 T1 Out
11 Internal Clock Out
(When Written)
(Range: 1-256 Decimal
01-00 HEX)
(When Read)
(Non-retriggerable)
(Retriggerable)
P R E L I M I N A R Y
R245 PRE0
*Default After Reset
R243 PRE1
R244 T0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6
D7 D6 D5 D4 D3 D2 D1 D0
Figure 49. Counter/Timer 0 Register
D5 D4 D3 D2 D1 D0
Figure 48. Prescaler 1 Register
Figure 50. Prescaler 0 Register
F4H; Read/Write
F3H: Write Only
F5H: Write Only
Z8 4K OTP Microcontroller
Clock Source
Count Mode
Prescaler Modulo
(Range: 1-64 Decimal
01-00 HEX)
1 T1 Internal
0 T1 External Timing Input
0 T1 Single Pass*
1 T1 Modulo N
T0 Initial Value
T0 Current Value
Count Mode
Reserved (Must be 0)
Prescaler Modulo
(When Written)
(Range: 1-256 Decimal
01-00 HEX)
(When Read)
(TIN Mode)
(Range: 1-64 Decimal
01-00 HEX)
0 T1
1 T1
Z86E30/E31/E40
Single Pass
Modulo N
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