Table of Contents
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Section 1 Overview
1.1.2
Overview of Functions
Table 1.1 lists the functions of H8SX/1650 Group products in outline.
Table 1.1
Overview of Functions
Module/
Classification
Function
Memory
RAM
CPU
CPU
Operating
mode
MCU
operating
mode
Rev.2.00 Jun. 28, 2007 Page 2 of 666
REJ09B0311-0200
Description
•
ROM lineup: ROMless versions only
•
RAM capacity: 24 Kbytes
•
32-bit high-speed H8SX CPU (CISC type)
Upward compatibility for H8/300, H8/300H, and H8S CPUs at
object level
•
Sixteen 16-bit general registers
•
Eleven addressing modes
•
4-Gbyte address space
Program: 4 Gbytes available
Data: 4 Gbytes available
•
87 basic instructions, classifiable as bit arithmetic and logic
instructions, multiply and divide instructions, bit manipulation
instructions, multiply-and-accumulate instructions, and others
•
Minimum instruction execution time: 20.0 ns (for an ADD
instruction while system clock Iφ = 50 MHz and
V
= 3.0 to 3.6 V)
CC
•
On-chip multiplier (16 × 16 → 32 bits)
•
Supports multiply-and-accumulate instructions
(16 × 16 + 32 → 32 bits)
•
Advanced mode
Mode 4: On-chip ROM disabled external extended mode, 16-bit
bus
(selected by driving the MD0 pin low)
Mode 5: On-chip ROM disabled external extended mode, 8-bit bus
(selected by driving the MD0 pin high)
•
Low power consumption state (transition driven by the SLEEP
instruction)
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