W77C32-25 查看數據表（PDF） - Winbond

零件编号

产品描述 (功能)

生产厂家

W77C32-25

8 BIT MICROCONTROLLER

Winbond 

Preliminary W77C32

CLK

ALE

PSEN

AD7-0

PORT 2

Single Cycle

C1

C2

C3

C4

A7-0

Data_ in D7-0

Address A15-8

Figure 3: Single Cycle Instruction Timing

CLK

ALE

PSEN

AD7-0

PORT 2

Instruction Fetch

C1

C2

C3

C4

Operand Fetch

C1

C2

C3

C4

PC

OP-CODE

Address A15-8

PC+1

OPERAND

Address A15-8

Figure 4: Two Cycle Instruction Timing

CLK

ALE

Instruction Fetch

Operand Fetch

Operand Fetch

C1 C2 C3 C4 C1

C2 C3 C4 C1

C2 C3 C4

PSEN

AD7-0

A7-0 OP-CODE

A7-0 OPERAND

A7-0 OPERAND

PORT 2

Address A15-8

Address A15-8

Address A15-8

Figure 5: Three Cycle Instruction Timing

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Publication Release Date: March 1999

Revision A1

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