Datasheet

Section 1 Overview
Rev. 6.00 Aug 04, 2006 page 3 of 680
REJ09B0145-0600
Item Description
Power-down
modes
• Seven power-down modes
• Sleep (high-speed) mode
• Sleep (medium-speed) mode
• Standby mode
• Watch mode
• Subsleep mode
• Subactive mode
• Active (medium-speed) mode
Memory Large on-chip memory
• H8/3842R, H8/38342, H8/38442: 16-Kbyte ROM, 1-Kbyte RAM
• H8/3843R, H8/38343, H8/38443: 24-Kbyte ROM, 1-Kbyte RAM
• H8/3844R, H8/3844S, H8/38344, H8/38444: 32-Kbyte ROM, 2-Kbyte RAM
• H8/3845R, H8/3845S, H8/38345, H8/38445: 40-Kbyte ROM, 2-Kbyte RAM
• H8/3846R, H8/3846S, H8/38346, H8/38446: 48-Kbyte ROM, 2-Kbyte RAM
• H8/3847R, H8/3847S, H8/38347, H8/38447: 60-Kbyte ROM, 2-Kbyte RAM
I/O ports 84 pins
• 71 I/O pins
• 13 input pins