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the examples described herein.
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Preface
The H8/300L Series of single-chip microcomputers has the high-speed H8/300L CPU at its core,
with many necessary peripheral functions on-chip. The H8/300L CPU instruction set is compatible
with the H8/300 CPU.
The H8/3834 Series has a system-on-a-chip architecture that includes such peripheral functions as
an LCD controller/driver, five types of timers, a 14-bit PWM, a three-channel serial
communication interface, and an A/D converter. This makes it ideal for use in systems requiring
an LCD display.
This manual describes the hardware of the H8/3834 Series. For details on the H8/3834 Series
instruction set, refer to the H8/300L Series Programming Manual.
Note: The terms H8/3834, H8/3834S, and H8/3834 Series used in the text refer to the products
shown below.
1. H8/3834:
HD6433837, HD6433836, HD6433835, HD6433834, HD6433833,
HD6473837, HD6473834
HD6433837S, HD6433836S, HD6433835S, HD6433834S, HD6433833S,
HD6433832S
2. H8/3834S:
3. H8/3834 Series: All products, including the H8/3834 and H8/3834S
Contents
Section 1
1.1
1.2
1.3
Overview
............................................................................................................
Overview............................................................................................................................
Internal Block Diagram......................................................................................................
Pin Arrangement and Functions ........................................................................................
1.3.1 Pin Arrangement ...................................................................................................
1.3.2 Pin Functions ........................................................................................................
1
1
5
6
6
8
Section 2
2.1
CPU
..................................................................................................................... 13
13
13
14
14
15
15
15
17
17
18
19
20
20
22
26
28
30
31
31
33
37
39
40
41
41
42
43
43
45
45
45
i
2.2
2.3
2.4
2.5
2.6
2.7
Overview............................................................................................................................
2.1.1 Features .................................................................................................................
2.1.2 Address Space.......................................................................................................
2.1.3 Register Configuration..........................................................................................
Register Descriptions .........................................................................................................
2.2.1 General Registers..................................................................................................
2.2.2 Control Registers ..................................................................................................
2.2.3 Initial Register Values ..........................................................................................
Data Formats......................................................................................................................
2.3.1 Data Formats in General Registers .......................................................................
2.3.2 Memory Data Formats..........................................................................................
Addressing Modes..............................................................................................................
2.4.1 Addressing Modes ................................................................................................
2.4.2 Effective Address Calculation ..............................................................................
Instruction Set ....................................................................................................................
2.5.1 Data Transfer Instructions ....................................................................................
2.5.2 Arithmetic Operations ..........................................................................................
2.5.3 Logic Operations ..................................................................................................
2.5.4 Shift Operations ....................................................................................................
2.5.5 Bit Manipulations..................................................................................................
2.5.6 Branching Instructions..........................................................................................
2.5.7 System Control Instructions..................................................................................
2.5.8 Block Data Transfer Instruction............................................................................
Basic Operational Timing ..................................................................................................
2.6.1 Access to On-Chip Memory (RAM, ROM) .........................................................
2.6.2 Access to On-Chip Peripheral Modules................................................................
CPU States .........................................................................................................................
2.7.1 Overview...............................................................................................................
2.7.2 Program Execution State ......................................................................................
2.7.3 Program Halt State................................................................................................
2.7.4 Exception-Handling State .....................................................................................
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