
2
Rev. 1.0
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
with DATA ACQUISITION CONTROLLER
MITSUBISHI MICROCOMPUTERS
M306H2FCFP
Table of contents
1. DESCRIPTION ...................................................... 1
1.1 Features ........................................................... 1
1.2 Applications ..................................................... 1
1.3 Pin Configuration ............................................. 3
1.4 Block Diagram ................................................. 4
1.5 Performance Outline ........................................ 5
2. OPERATION OF FUNCTIONAL BLOCKS ............ 9
2.1 Memory ............................................................ 9
2.2 Central Processing Unit (CPU) ........................ 13
2.3 Reset ............................................................... 16
2.4 Processor Mode ............................................... 20
2.5 Clock Generating Circuit .................................. 31
2.6 Protection ......................................................... 40
2.7 Interrupt ........................................................... 41
2.8 Watchdog Timer .............................................. 61
2.9 DMAC .............................................................. 63
2.10 Timer .............................................................. 73
2.11 Serial I/O ........................................................ 91
2.12 A-D Converter ................................................ 132
2.13 D-A Converter ................................................ 142
2.14 CRC Calculation Circuit ................................. 144
2.15 Expansion Function ....................................... 146
2.16 Programmable I/O Ports ................................ 170
3. USAGE PRECAUTION .......................................... 180
4. ELECTRICAL CHARACTERISTICS ...................... 185
5. FLASH MEMORY .................................................. 203
5.1 Outline Performance ........................................ 203
5.2 Flash Memory mode ........................................ 204
5.3 CPU Rewrite Mode .......................................... 205
5.4 Functions To Inhibit Rewriting Flash Memory Version ....... 215
5.5 Parallel I/O Mode ............................................. 217
5.6 Standard serial I/O mode ................................. 218
5.7 Absolute maximum ratings .............................. 246
6. PACKAGE OUTLINE ............................................. 248
7. DIFFERENCES BETWEEN M306H2MC-XXXFP AND M306H2FCFP .... 249