hd64338023s Renesas Electronics Corporation., hd64338023s Datasheet - Page 44
hd64338023s
Manufacturer Part Number
hd64338023s
Description
Renesas 8-bit Single-chip Microcomputer Super Low Power Series
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.HD64338023S.pdf
(697 pages)
- Current page: 44 of 697
- Download datasheet (6Mb)
Section 1 Overview
Table 1.1
Item
CPU
Interrupts
Rev. 7.00 Mar 10, 2005 page 2 of 652
REJ09B0042-0700
Features
Specification
High-speed H8/300L CPU
•
•
•
•
22 interrupt sources
•
•
General-register architecture
General registers: Sixteen 8-bit registers (can be used as eight 16-bit
registers)
Operating speed
Max. operating speed: 8 MHz (5 MHz for HD64F38024 and H8/38024S
Add/subtract: 0.25 µs (operating at 8 MHz), 0.4 µs (operating at φ =
Multiply/divide: 1.75 µs (operating at 8 MHz), 2.8 µs (operating at φ =
Can run on 32.768 kHz or 38.4 kHz subclock (32.768 kHz only for
Instruction set compatible with H8/300 CPU
Instruction length of 2 bytes or 4 bytes
Basic arithmetic operations between registers
MOV instruction for data transfer between memory and registers
Typical instructions
Multiply (8 bits × 8 bits)
Divide (16 bits ÷ 8 bits)
Bit accumulator
Register-indirect designation of bit position
13 external interrupt sources (IRQ
IRQAEC)
9 internal interrupt sources
Group)
5 MHz)
5 MHz)
H8/38124 Group)
4
, IRQ
3
, IRQ
1
, IRQ
0
, WKP
7
to WKP
0
,
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