HD6412340 HITACHI [Hitachi Semiconductor], HD6412340 Datasheet - Page 553

• Manufacturer Part Number: HD6412340
• Description: H8S/2345 F-ZTAT Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

Table 17.3 Operating Modes and ROM Area (ZTAT or Mask ROM)
Operating Mode
Mode 0
Mode 1
Mode 2 *
Mode 3 *
Mode 4
Mode 5
Mode 6 *
Mode 7 *
Notes: 1. Not used on ROMless version.
1
1
1
1
4. Apart from the fact that flash memory can be erased and programmed, operation is the
2. In H8S/2345 modes 6 and 7, the on-chip ROM available after a power-on reset is the
—
Normal expanded
mode with on-chip
ROM disabled
Normal expanded
mode with on-chip
ROM enabled
Normal single-chip
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
same as in advanced single-chip mode.
64-kbyte area comprising addresses H'000000 to H'00FFFF.
MD2 MD1 MD0
0
1
Mode Pin
0
1
0
1
0
1
0
1
0
1
0
1
BCRL
EAE
—
—
0
1
0
1
On-Chip ROM
H8S/2345
—
Disabled
Enabled
(56 kbytes)
Disabled
Enabled
(128
kbytes) *
Enabled
(64 kbytes)
Enabled
(128
kbytes) *
Enabled
(64 kbytes)
2
2
H8S/2344
—
Disabled
Enabled
(56 kbytes)
Disabled
Enabled *
(96 kbytes)
Enabled
(64 kbytes)
Enabled *
(96 kbytes)
Enabled
(64 kbytes)
2
2
H8S/2343
—
Disabled
Enabled
(56 kbytes)
Disabled
Enabled
(64 kbytes)
H8S/2341
—
Disabled
Enabled
(32 kbytes)
Disabled
Enabled
(32 kbytes)
541