mc68hc901fn Freescale Semiconductor, Inc, mc68hc901fn Datasheet - Page 62

• Manufacturer Part Number: mc68hc901fn
• Description: Multi-function Peripheral
• Manufacturer: Freescale Semiconductor, Inc

Electrical Characteristics
8-9
D0 - D7
DTACK
NOTE:
IACK
CLK
IEO
DS
IEI
IEO only goes low if no acknowledgeable interrupt is pending. If IEO goes low, DTACK and
the data bus remain in the high-impendance state.
Figure 8-5. Interrupt Acknowledge Cycle (IEI Low)
4
MC68HC901 USER’S MANUAL
16
14
(SEE NOTE)
15
18
13
17
26
9
7
6
MOTOROLA