MC68HC11E0CFNE2 Datasheet, PDF (161/242 Pages) Freescale Semiconductor, Inc – M68HC11 CPU, Power-saving stop and wait modes, Low-voltage devices available (3.0–5.5 Vdc)

E
IRQ ¹
IRQ ², XIRQ,
OR INTERNAL
INTERRUPT
ADDRESS
DATA
R/W
t_PCSU
PW_IRQ
NEXT
OPCODE
NEXT
OP + 1
OP
––
CODE
SP
SP – 1
SP – 2
SP – 3
SP – 4
SP – 5
SP – 6
SP – 7
SP – 8
SP – 8
VECTOR VECTOR NEW
ADDR ADDR + 1
PC
PCL
PCH
IYL
IYH
IXL
IXH
B
A
CCR
––
VECT
VECT
OP
MSB
LSB
CODE
Notes:
1. Edge sensitive IRQ pin (IRQE bit = 1)
2. Level sensitive IRQ pin (IRQE bit = 0)
Figure 10-6. Interrupt Timing Diagram