hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 67

• Manufacturer Part Number: hd64338023s
• Description: Renesas 8-bit Single-chip Microcomputer Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

2.1
The H8/300L CPU has sixteen 8-bit general registers, which can also be paired as eight 16-bit
registers. Its concise instruction set is designed for high-speed operation.
2.1.1
Features of the H8/300L CPU are listed below.
• General-register architecture
• Instruction set with 55 basic instructions, including:
• Eight addressing modes
• 64-Kbyte address space
• High-speed operation
• Low-power operation modes
Sixteen 8-bit general registers, also usable as eight 16-bit general registers
 Multiply and divide instructions
 Powerful bit-manipulation instructions
 Register direct
 Register indirect
 Register indirect with displacement
 Register indirect with post-increment or pre-decrement
 Absolute address
 Immediate
 Program-counter relative
 Memory indirect
 All frequently used instructions are executed in two to four states
 High-speed arithmetic and logic operations
 8- or 16-bit register-register add or subtract: 0.25 µs *
 8 × 8-bit multiply:
 16 ÷ 8-bit divide:
Note: * These values are at φ = 8 MHz.
SLEEP instruction for transfer to low-power operation
Overview
Features
Section 2 CPU
1.75 µs *
1.75 µs *
Rev. 7.00 Mar 10, 2005 page 25 of 652
REJ09B0042-0700
Section 2 CPU