Datasheet

Section 1 Overview
Rev. 6.00 Mar. 18, 2010 Page 2 of 982
REJ09B0054-0600
• On-chip memory
ROM Model ROM RAM Remarks
HD64F2258 256 kbytes 16 kbytes
HD64F2239 384 kbytes 32 kbytes
HD64F2238B 256 kbytes 16 kbytes
HD64F2238R 256 kbytes 16 kbytes
Flash memory
version
HD64F2227 128 kbytes 16 kbytes
PROM version HD6472237 128 kbytes 16 kbytes
HD6432258 256 kbytes 16 kbytes Masked ROM
version
HD6432258W 256 kbytes 16 kbytes
HD6432256 128 kbytes 8 kbytes
HD6432256W 128 kbytes 8 kbytes
HD6432239 384 kbytes 32 kbytes
HD6432239W 384 kbytes 32 kbytes
HD6432238B 256 kbytes 16 kbytes
HD6432238BW 256 kbytes 16 kbytes
HD6432238R 256 kbytes 16 kbytes
HD6432238RW 256 kbytes 16 kbytes
HD6432236B 128 kbytes 8 kbytes
HD6432236BW 128 kbytes 8 kbytes
HD6432236R 128 kbytes 8 kbytes
HD6432236RW 128 kbytes 8 kbytes
HD6432237 128 kbytes 16 kbytes
HD6432235 128 kbytes 4 kbytes
HD6432233 64 kbytes 4 kbytes
HD6432227 128 kbytes 16 kbytes
HD6432225 128 kbytes 4 kbytes
HD6432224 96 kbytes 4 kbytes
HD6432223 64 kbytes 4 kbytes
• General I/O ports
⎯ I/O pins: 72
⎯ Input-only pins: 10
• Supports various power-down states