Z86C96 View Datasheet(PDF) - Zilog

Part Name

Description

Manufacturer

Z86C96

CMOS Z8®MICROCONTROLLER

Zilog 

Z8 CONTROL REGISTER DIAGRAMS

R240 SIO

D7 D6 D5 D4 D3 D2 D1 D0

Serial Data (D0 = LSB)

Figure 30. Serial I/O Register

(F0 : Read/Write)

H

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)

TOUT Modes

00 Not Used

01 T0 Out

10 T1 Out

11 Internal Clock Out

Figure 31. Timer Mode Register

(F1H: 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 32. Counter/Timer 1 Register

(F2 : Read/Write)

H

Z86C61/62/96

Z8® MICROCONTROLLER

R243 PRE1

D7 D6 D5 D4 D3 D2 D1 D0

Count Mode

0 T1 Single Pass

1 T1 Modulo N

Clock Source

1 T1 Internal

0 T1 External Timing Input

(TIN) Mode

Prescaler Modulo

(Range: 1-64 Decimal

01-00 HEX)

Figure 33. Prescaler 1 Register

(F3H: 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 34. 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 35. Prescaler 0 Register

(F5H: Write Only)

34

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