Programming - Renesas H8 Series Hardware Manual

6.3

Programming

The H8/3644 write, verify, and other modes are selected as shown in table 6.2 in PROM mode.
Table 6.2 Mode Selection in PROM Mode (H8/3644)
CE CE CE CE
Mode
Write L
Verify H
Programming H
disabled
Legend:
L: Low level
H: High level
V : V level
PP PP
V : V level
CC CC
The specifications for writing and reading are identical to those for the standard HN27C256
EPROM.
OE OE OE OE
V V
PP
H V V
PP
L V V
PP
H V V
PP
Pin
EO to EO
CC 7 0
Data input
CC
Data output
CC
High impedance
CC
Rev. 6.00 Sep 12, 2006 page 105 of 526
Section 6 ROM
EA to EA
14 0
Address input
Address input
Address input
REJ09B0326-0600