HD6433640 HITACHI [Hitachi Semiconductor], HD6433640 Datasheet - Page 117

• Manufacturer Part Number: HD6433640
• Description: H8/3644 Series Hardware Manual
• Manufacturer: HITACHI [Hitachi Semiconductor]

When programming with a PROM programmer, be sure to specify addresses from H'0000 to
H'7FFF.
6.3
The H8/3644 write, verify, and other modes are selected as shown in table 6.3 in PROM mode.
Table 6.3
Mode
Write
Verify
Programming
disabled
Notation:
L:
H:
V
V
The specifications for writing and reading are identical to those for the standard HN27C256
EPROM.
108
PP
CC
: V
: V
Low level
High level
PP
CC
level
level
Programming
Mode Selection in PROM Mode (H8/3644)
CE
L
H
H
Figure 6.3 H8/3644 Memory Map in PROM Mode
MCU mode
Address in
OE
H
L
H
H'7FFF
H'0000
V
V
V
V
PP
PP
PP
PP
On-chip PROM
V
V
V
V
CC
CC
CC
CC
Pin
EO
Data input
Data output
High impedance
7
to EO
Address in
PROM mode
H'0000
H'7FFF
0
EA
Address input
Address input
Address input
14
to EA
0