h8s-2635 Renesas Electronics Corporation., h8s-2635 Datasheet - Page 925

• Manufacturer Part Number: h8s-2635
• Description: Renesas 16-bit Single-chip Microcomputer H8s Family/h8s/2600 Series
• Manufacturer: Renesas Electronics Corporation.

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 0
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
Mode 6
Mode 7
Mode 8
Mode 9
Mode 10
Mode 11
Mode 12
Mode 13
Mode 14
Mode 15
Notes: 1. Apart from the fact that flash memory can be erased and programmed, operation is the
2. 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.
same as in advanced single-chip mode.
Operating Mode
—
Advanced expanded mode with on-chip
ROM disabled
Advanced expanded mode with on-chip
ROM disabled
Advanced expanded mode with on-chip
ROM enabled
Advanced single-chip mode
—
Boot mode (advanced expanded mode
with on-chip ROM enabled) *
Boot mode (advanced single-chip
mode) *
—
User program mode (advanced
expanded mode with on-chip ROM
enabled) *
User program mode (advanced single-
chip mode) *
2
1
2
1
0
1
FWE
Rev. 6.00 Feb 22, 2005 page 865 of 1484
Section 21C ROM (H8S/2635 Group)
MD2
0
1
0
1
Mode Pins
MD1
0
1
0
1
0
1
0
1
MD0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
REJ09B0103-0600
On-Chip ROM
—
Disabled
Enabled
(192 kbytes/
128 kbytes) *
Enabled
(192 kbytes/
128 kbytes) *
—
Enabled
(192 kbytes/
128 kbytes) *
Enabled
(192 kbytes/
128 kbytes) *
—
Enabled
(192 kbytes/
128 kbytes) *
Enabled
(192 kbytes/
128 kbytes) *
3
3
3
3
3
3