HMS81C2012A 데이터 시트보기 (PDF) - Unspecified

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HMS81C2012A

CMOS Single-Chip 8-Bit Microcontroller with A/D Converter & VFD Driver

Unspecified 

HMS81C2012A/2020A

At execution of

a CALL/TCALL/PCALL

01FE

01FD

01FC

01FB

PCH

PCL

Push

down

At acceptance

of interrupt

01FE

01FD

01FC

01FB

PCH

PCL

PSW

Push

down

At execution

of RET instruction

01FE PCH

Pop

01FD PCL

up

01FC

01FB

SP before

execution

SP after

execution

01FE

01FC

01FE

01FB

01FC

01FE

At execution

of PUSH instruction

PUSH A (X,Y,PSW)

01FE

A

01FD

01FC

01FB

Push

down

At execution

of POP instruction

POP A (X,Y,PSW)

01FE

A

Pop

up

01FD

01FC

01FB

SP before

execution

SP after

execution

01FE

01FD

01FD

01FE

Figure 8-4 Stack Operation

At execution

of RET instruction

01FE PCH

Pop

01FD PCL

up

01FC PSW

01FB

01FB

01FE

0100H

Stack

depth

01FEH

24

SEP. 2004 Ver 2.00

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