Datasheet

M68HC12B Family Data Sheet, Rev. 9.1
Freescale Semiconductor 323
Control Timing
Figure 19-8. Wait Recovery Timing Diagram
t
PCSU
PC, IY, IX, B:A, CCR
STACK REGISTERS
ECLK
R/W
ADDRESS
IRQ, XIRQ,
OR INTERNAL
INTERRUPTS
SP – 2 SP – 4
SP – 6 . . . SP – 9
SP – 9
SP – 9 . . . SP – 9
SP – 9
VECTOR
FREE
1ST
2ND
3RD
PIPE
t
WRS
Note: RESET also causes recovery from WAIT.
ADDRESS
PIPE
PIPE
1ST
EXEC