C167CS Datasheet, PDF (205/517 Pages) Infineon Technologies AG – 16-Bit Single-Chip Microcontroller

C167CS
Derivatives
The External Bus Interface
Segment
ALE
BUS (P0)
RD
Bus Cycle
Address
1)
Data/Instr.
BUS (P0)
Address
Data
2)
3)
4)
WR
Read/Write
Delay
Early Write
MCT04005
1) The data drivers from the previous bus cycle should be disabled when the RD signal becomes active.
2) Data drivers are disabled in an early-write cycle.
3) Data drivers are disabled in a demultiplexed normal-write cycle.
4) Data drivers are disabled in a multiplexed normal-write cycle.
Figure 9-9 Read/Write Signal Duration Control
User’s Manual
9-17
V2.0, 2000-07