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S912XHZ512F1VAG Datasheet, PDF (924/978 Pages) Freescale Semiconductor, Inc – Covers MC9S12XHZ384, MC9S12XHZ256
Appendix A Electrical Characteristics
A.9 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.9.1
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-10. Example 1a: Normal Expanded Mode — Read Followed by Write
MC9S12XHZ512 Data Sheet, Rev. 1.06
924
Freescale Semiconductor