HD64F2638F20J Datasheet, PDF (848/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

Section 21B ROM
(H8S/2638 Group, H8S/2639 Group, H8S/2630 Group)
H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
3. The H8S/2638 and H8S/2639 have 256 kbytes of on-chip ROM. The H8S/2630 has 384
kbytes of on-chip ROM.
Table 21B-3 Operating Modes and ROM (Mask ROM Version)
Mode Pins
Operating Mode
MD2 MD1 MD0 On-Chip ROM
Mode 0 —
0
0
0
—
Mode 1
1
Mode 2
1
0
Mode 3
1
Mode 4 Advanced expanded mode with on-chip 1
0
0
Disabled
ROM disabled
Mode 5 Advanced expanded mode with on-chip
1
ROM disabled
Mode 6
Advanced expanded mode with on-chip
ROM enabled
1
0
Enabled
(256 kbytes/
384 kbytes)^*
Mode 7 Advanced single-chip mode
1
Enabled
(256 kbytes/
384 kbytes)^*
Note: * The H8S/2638 and H8S/2639 have 256 kbytes of on-chip ROM. The H8S/2630 has 384
kbytes of on-chip ROM.
Page 798 of 1458
REJ09B0103-0800 Rev. 8.00
May 28, 2010