Datasheet
Rev.5.00 Nov. 02, 2005 Page xxi of xxxii
Figures
Section 1 Overview
Figure 1.1 Internal Block Diagram of H8/3687 Group of F-ZTAT
TM
and Mask-ROM Versions.............................................................................................. 3
Figure 1.2 Internal Block Diagram of H8/3687N (EEPROM Stacked Version) ............................ 4
Figure 1.3 Pin Arrangement of H8/3687 Group of F-ZTAT
TM
and Mask-ROM Versions
(FP-64E, FP-64A) ......................................................................................................... 5
Figure 1.4 Pin Arrangement of H8/3687N (EEPROM Stacked Version) (FP-64E)....................... 6
Section 2 CPU
Figure 2.1 Memory Map (1) ......................................................................................................... 12
Figure 2.1 Memory Map (2) ......................................................................................................... 13
Figure 2.1 Memory Map (3) ......................................................................................................... 14
Figure 2.2 CPU Registers ............................................................................................................. 15
Figure 2.3 Usage of General Registers .........................................................................................16
Figure 2.4 Relationship between Stack Pointer and Stack Area................................................... 17
Figure 2.5 General Register Data Formats (1)..............................................................................19
Figure 2.5 General Register Data Formats (2)..............................................................................20
Figure 2.6 Memory Data Formats.................................................................................................21
Figure 2.7 Instruction Formats......................................................................................................32
Figure 2.8 Branch Address Specification in Memory Indirect Mode ...........................................36
Figure 2.9 On-Chip Memory Access Cycle.................................................................................. 38
Figure 2.10 On-Chip Peripheral Module Access Cycle (3-State Access)..................................... 39
Figure 2.11 CPU Operation States................................................................................................ 40
Figure 2.12 State Transitions........................................................................................................ 41
Figure 2.13 Example of Timer Configuration with Two Registers Allocated
to Same Address........................................................................................................ 42
Section 3 Exception Handling
Figure 3.1 Reset Sequence............................................................................................................ 58
Figure 3.2 Stack Status after Exception Handling ........................................................................ 60
Figure 3.3 Interrupt Sequence.......................................................................................................61
Figure 3.4 Port Mode Register Setting and Interrupt Request Flag Clearing Procedure .............. 62
Section 4 Address Break
Figure 4.1 Block Diagram of Address Break................................................................................ 63
Figure 4.2 Address Break Interrupt Operation Example (1).........................................................66
Figure 4.2 Address Break Interrupt Operation Example (2).........................................................67










