MC9S12XD256MAL Datasheet, PDF (1277/1348 Pages) Freescale Semiconductor, Inc – Freescale’s Scalable Controller Area Network

Appendix A Electrical Characteristics
A.8 External Bus Timing
The following conditions are assumed for all following external bus timing values:
• Crystal input within 45% to 55% duty
• Equal loads of pins
• Pad full drive (reduced drive must be off)
A.8.1
Normal Expanded Mode (External Wait Feature Disabled)
1
1
CSx
ADDRx
RE
WE
DATAx
EWAIT
ADDR1
2
3
ADDR2
4
5
8
6
7
10
11
(Read) DATA1
(Write) DATA2
9
UDS, LDS
Figure A-11. Example 1a: Normal Expanded Mode — Read Followed by Write
Freescale Semiconductor
MC9S12XDP512 Data Sheet, Rev. 2.21
1279