Rev.1.00, 09/03, page ix of xxxviii
Contents
Section 1 Overview........................................................................................... 1
1.1 Features ............................................................................................................................. 1
1.2
Internal Block Diagram..................................................................................................... 2
1.3 Pin
Description.................................................................................................................. 3
1.3.1 Pin
Assignment .................................................................................................... 3
1.3.2
Pin Assignment in Each Operating Mode ............................................................ 4
1.3.3 Pin
Functions ....................................................................................................... 9
Section 2 CPU................................................................................................... 15
2.1 Features ............................................................................................................................. 15
2.1.1
Differences between H8S/2600 CPU and H8S/2000 CPU .................................. 16
2.1.2
Differences from H8/300 CPU............................................................................. 17
2.1.3
Differences from H8/300H CPU.......................................................................... 17
2.2
CPU Operating Modes ...................................................................................................... 18
2.2.1 Normal
Mode ....................................................................................................... 18
2.2.2 Advanced
Mode ................................................................................................... 20
2.3 Address
Space ................................................................................................................... 22
2.4 Registers............................................................................................................................ 23
2.4.1 General
Registers ................................................................................................. 24
2.4.2
Program Counter (PC) ......................................................................................... 25
2.4.3
Extended Register (EXR)..................................................................................... 25
2.4.4
Condition-Code Register (CCR) .......................................................................... 26
2.4.5
Multiply-Accumulate Register (MAC) ................................................................ 27
2.4.6
Initial Values of CPU Internal Registers.............................................................. 27
2.5 Data
Formats ..................................................................................................................... 28
2.5.1
General Register Data Formats ............................................................................ 28
2.5.2
Memory Data Formats ......................................................................................... 30
2.6 Instruction
Set ................................................................................................................... 31
2.6.1
Table of Instructions Classified by Function ....................................................... 32
2.6.2
Basic Instruction Formats .................................................................................... 41
2.7
Addressing Modes and Effective Address Calculation ..................................................... 43
2.7.1 Register
Direct—Rn............................................................................................. 43
2.7.2 Register
Indirect—@ERn .................................................................................... 43
2.7.3
Register Indirect with Displacement—@(d:16, ERn) or @(d:32, ERn).............. 43
2.7.4
Register Indirect with Post-Increment or Pre-Decrement
—@ERn+ or @-ERn........................................................................................... 44
2.7.5
Absolute Address—@aa:8, @aa:16, @aa:24, or @aa:32.................................... 44
2.7.6
Immediate—#xx:8, #xx:16, or #xx:32 ................................................................. 45
2.7.7
Program-Counter Relative—@(d:8, PC) or @(d:16, PC).................................... 45
Summary of Contents for H8S/2437
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