mc9s12xf512 Freescale Semiconductor, Inc, mc9s12xf512 Datasheet - Page 1224

• Manufacturer Part Number: mc9s12xf512
• Description: S12x Microcontrollers 16-bit Automotive Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Appendix A Electrical Characteristics
A.7.3
The following conditions are assumed for all following external bus timing values:
A.7.3.1
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UDS, LDS
•
•
•
ADDRx
EWAIT
DATAx
Crystal input within 45% to 55% duty
Equal loads of pins
Pad full drive (reduced drive must be off)
CSx
WE
RE
External Bus Timing
Normal Expanded Mode (External Wait Feature Disabled)
Figure A-12. Example 1a: Normal Expanded Mode — Read Followed by Write
2
ADDR1
8
1
MC9S12XF - Family Reference Manual, Rev.1.19
3
(Read) DATA1
6
4
7
9
(Write) DATA2
ADDR2
10
1
5
11
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