MC9S12XF512_1 Datasheet, PDF (1224/1306 Pages) Freescale Semiconductor, Inc – S12X Microcontrollers

Appendix A Electrical Characteristics
A.7.3 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.7.3.1 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-12. Example 1a: Normal Expanded Mode — Read Followed by Write
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MC9S12XF - Family Reference Manual, Rev.1.19
Freescale Semiconductor