5 Pinouts and Pin Descriptions.................................................................................................................. 27
5.1
Pinouts for MC2540 ..................................................................................................................... 27
5.2
Pinouts for MC2520 ..................................................................................................................... 28
5.3
Pinouts for MC2510 ..................................................................................................................... 29
5.4
Pin description tables.................................................................................................................... 30
5.4.1
I/O chip................................................................................................................................. 30
5.4.2
CP chip ................................................................................................................................. 33
6 Application Notes..................................................................................................................................... 36
6.1
Design Tips................................................................................................................................... 36
6.2
ISA Bus Interface ......................................................................................................................... 38
6.3
RS-232 Serial Interface ................................................................................................................ 40
6.4
RS 422/485 Serial Interface.......................................................................................................... 42
6.5
12-bit A/D Interface...................................................................................................................... 44
6.6
16-bit A/D Input ........................................................................................................................... 46
6.7
RAM Interface.............................................................................................................................. 48
6.8
User-defined I/O ........................................................................................................................... 49
MC2500 Technical Specifications
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