HD64F2638F20J Datasheet, PDF (901/1512 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2600 Series

H8S/2639, H8S/2638, H8S/2636,
H8S/2630, H8S/2635 Group
Section 21C ROM
(H8S/2635 Group)
The on-chip ROM is enabled and disabled by setting the mode pins (MD2, MD1, and MD0).
These settings are shown in table 21C-2.
Table 21C-2 Operating Modes and ROM (F-ZTAT Version)
Mode Pins
Operating Mode
FWE MD2 MD1 MD0 On-Chip ROM
Mode 0 —
0
0
0
0
—
Mode 1
1
Mode 2
1
0
Mode 3
1
Mode 4
Advanced expanded mode with on-chip
ROM disabled
1
0
0
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
(192 kbytes/
128 kbytes)^*3
Mode 7 Advanced single-chip mode
1
Enabled
(192 kbytes/
128 kbytes)^*3
Mode 8 —
1
0
0
0
—
Mode 9
1
Mode 10 Boot mode (advanced expanded mode
with on-chip ROM enabled)^*1
1
0
Enabled
(192 kbytes/
128 kbytes)^*3
Mode 11 Boot mode (advanced single-chip
mode)^*2
1
Enabled
(192 kbytes/
128 kbytes)^*3
Mode 12 —
1
0
0
—
Mode 13
1
Mode 14
User program mode (advanced
expanded mode with on-chip ROM
enabled)^*1
1
0
Enabled
(192 kbytes/
128 kbytes)^*3
Mode 15 User program mode (advanced single-
chip mode)^*2
1
Enabled
(192 kbytes/
128 kbytes)^*3
Notes: 1. Apart from the fact that flash memory can be erased and programmed, operation is the
same as in advanced expanded mode with on-chip ROM enabled.
2. Apart from the fact that flash memory can be erased and programmed, operation is the
same as in advanced single-chip mode.
REJ09B0103-0800 Rev. 8.00
May 28, 2010
Page 851 of 1458