Datasheet

Section 19 ROM
Rev.6.00 Sep. 27, 2007 Page 738 of 1268
REJ09B0220-0600
Table 19.2 Operating Modes and ROM (H8S/2328B F-ZTAT, H8S/2326 F-ZTAT)
Mode Pins BCRL
Mode Operating Mode FWE MD2 MD1 MD0 EAE On-Chip ROM
1 — 0 0 0 1 — —
2 1 0
3 1
4
Advanced expanded mode
with on-chip ROM disabled
1 0 0 — Disabled
5
Advanced expanded mode
with on-chip ROM disabled
1
6
Advanced expanded mode
with on-chip ROM enabled
1 0 0
Enabled
(256 kbytes)
*
1
*
5
1
Enabled
(64 kbytes)
7 Advanced single-chip mode 1 0
Enabled
(256 kbytes)
*
1
*
5
1
Enabled
(64 kbytes)
8 — 1 0 0 0 — —
9 1
10 1 0 0
Enabled
(256 kbytes)
*
2
*
5
Boot mode (advanced
expanded mode with on-chip
ROM enabled)
*
3
1
Enabled
(64 kbytes)
11
Boot mode (advanced
single-chip mode)
*
4
1 0
Enabled
(256 kbytes)
*
2
*
5
1
Enabled
(64 kbytes)
12 — 1 0 0 — —
13 1
14 1 0 0
Enabled
(256 kbytes)
*
1
*
5
User program mode
(advanced expanded mode
with on-chip ROM enabled)
*
3
1
Enabled
(64 kbytes)
15 1 0
Enabled
(256 kbytes)
*
1
*
5
User program mode
(advanced single-chip
mode)
*
4
1
Enabled
(64 kbytes)
Notes: 1. Note that in modes 6, 7, 14, and 15, the on-chip ROM that can be used after a reset is
the 64-kbyte area from H'000000 to H'00FFFF.