MC80F0204 Datasheet, PDF (24/126 Pages) List of Unclassifed Manufacturers – 8-BIT SINGLE-CHIP MICROCONTROLLERS

MC80F0104/0204
Preliminary
At execution of
a CALL/TCALL/PCALL
01FF
01FE
01FD
01FC
PCH
PCL
Push
down
At acceptance
of interrupt
01FF
01FE
01FD
01FC
PCH
PCL
PSW
Push
down
At execution
of RET instruction
01FF PCH
Pop
01FE PCL
up
01FD
01FC
SP before
execution
SP after
execution
01FF
01FD
01FF
01FC
01FD
01FF
At execution
of PUSH instruction
PUSH A (X,Y,PSW)
01FF
A
01FE
01FD
01FC
Push
down
At execution
of POP instruction
POP A (X,Y,PSW)
01FF
A
Pop
up
01FE
01FD
01FC
SP before
execution
SP after
execution
01FF
01FE
01FE
01FF
Figure 8-4 Stack Operation
At execution
of RET instruction
01FF PCH
Pop
01FE PCL
up
01FD PSW
01FC
01FC
01FF
01C0H
Stack
depth
01FFH
20
Mar. 2005 Ver 0.2