Hitachi H8S/2670, Reference Manual

Page: 10 / 647

i
Contents
Section 1 Overview
........................................................................................................... 1
1.1 Overview............................................................................................................................ 1
1.2 Block Diagram................................................................................................................... 6
1.3 Pin Arrangement ................................................................................................................ 7
1.4 Pin Functions in Each Operating Mode............................................................................. 8
1.5 Pin Functions ..................................................................................................................... 20
1.6 Product Lineup................................................................................................................... 28
1.7 Package Dimensions .......................................................................................................... 28
Section 2 MCU Operating Modes
................................................................................. 29
2.1 Overview............................................................................................................................ 29
2.1.1 Operating Mode Selection (F-ZTAT Version)..................................................... 29
2.1.2 Operating Mode Selection (ROMless and Mask ROM Versions) ....................... 31
2.1.3 Register Configuration ......................................................................................... 33
2.2 Register Descriptions......................................................................................................... 33
2.2.1 Mode Control Register (MDCR) .......................................................................... 33
2.2.2 System Control Register (SYSCR)....................................................................... 34
2.3 Operating Mode Descriptions ............................................................................................ 35
2.3.1 Mode 1 (Expanded Mode with On-Chip ROM Disabled) ................................... 35
2.3.2 Mode 2 (Expanded Mode with On-Chip ROM Disabled) ................................... 35
2.3.3 Mode 3 .................................................................................................................. 35
2.3.4 Mode 4 (Expanded Mode with On-Chip ROM Enabled)..................................... 36
2.3.5 Mode 5 (External ROM Activation Expanded Mode with On-Chip ROM
Enabled) ................................................................................................................
36
2.3.6 Mode 6 (External ROM Activation Expanded Mode with On-Chip ROM
Enabled) ................................................................................................................
36
2.3.7 Mode 7 (Single-Chip Activation Mode with On-Chip ROM Enabled) ............... 36
2.3.8 Modes 8 and 9 [F-ZTAT Version Only]............................................................... 37
2.3.9 Mode 10 [F-ZTAT Version Only] ........................................................................ 37
2.3.10 Mode 11 ................................................................................................................ 37
2.3.11 Mode 12 ............................................................................................................... 37
2.3.12 Modes 13 and 14 [F-ZTAT Version Only]........................................................... 37
2.3.13 Mode 15 [F-ZTAT Version Only] ........................................................................ 37
2.4 Pin Functions in Each Operating Mode............................................................................. 38
2.5 Memory Map in Each Operating Mode............................................................................. 39
Section 3 Exception Handling and Interrupt Controller
......................................... 53
3.1 Overview............................................................................................................................ 53
3.1.1 Exception Handling Types and Priority ............................................................... 53