Z86318 Просмотр технического описания (PDF) - Zilog

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Z86318

Z8® MCU 8-BIT MICROCONTROLLER

Zilog 

Z86318

Z8® MCU 8-Bit Microcontroller

Z8 CONTROL REGISTERS

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)

Figure 19. Timer Mode Register (F1H:Read/Write)

R242 T1

D7 D6 D5 D4 D3 D2 D1 D0

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 22. Counter Timer 0 Register (F4H: 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 23. Prescaler 0 Register (F5H: Write Only)

T1 Initial Value

(When Written)

(Range 1-256 Decimal

01-00 HEX)

T1 Current Value

(When READ)

Figure 20. Counter Timer 1 Register (F2H: Read/Write)

R243 PRE1

D7 D6 D5 D4 D3 D2 D1 D0

R246 P2M

D7 D6 D5 D4 D3 D2 D1 D0

P27- P20 I/O Definition

0 Defines Bit as OUTPUT

1 Defines Bit as INPUT

Figure 24. Port 2 Mode Register (F6H: Write Only)

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 21. Prescaler 1 Register (F3H:Write Only)

R247 P3M

D7 D6 D5 D4 D3 D2 D1 D0

0 Port 2 Open-Drain

1 Port 2 Push-Pull

Reserved (Must be 0)

Figure 25. Port 3 Mode Register (F7H: Write Only)

22

PRELIMINARY

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