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HD6433644R Datasheet(PDF) 125 Page - Renesas Technology Corp

Part # HD6433644R
Description  8-Bit Single-Chip Microcomputer
PDF  549 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD6433644R Datasheet(HTML) 125 Page - Renesas Technology Corp

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Section 6 ROM
Rev. 6.00 Sep 12, 2006 page 105 of 526
REJ09B0326-0600
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)
Pin
Mode
CE
CE
CE
CE
OE
OE
OE
OE
VPP
VCC
EO7 to EO0
EA14 to EA0
Write
L
H
VPP
VCC
Data input
Address input
Verify
H
L
VPP
VCC
Data output
Address input
Programming
disabled
H
H
VPP
VCC
High impedance
Address input
Legend:
L:
Low level
H:
High level
VPP: VPP level
VCC: VCC level
The specifications for writing and reading are identical to those for the standard HN27C256
EPROM.



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