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HD404324FS 데이터시트(PDF) 83 Page - Renesas Technology Corp

부품명 HD404324FS
상세설명  microcomputer designed to increase program productivity
PDF  103 Pages
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제조업체  RENESAS [Renesas Technology Corp]
홈페이지  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

HD404324FS 데이터시트(HTML) 83 Page - Renesas Technology Corp

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HD404054 Series/HD404094 Series
81
Warnings
1. Always specify addresses $0000 to $1FFF when programming with a PROM programmer. If address
$2000 or higher is accessed, the PROM may not be programmed or verified correctly. Set all data in
unused addresses to $FF.
Note that the plastic-package version cannot be erased or reprogrammed.
2. Make sure that the PROM programmer, socket adapter, and LSI are aligned correctly (their pin 1
positions match), otherwise overcurrents may damage the LSI. Before starting programming, make
sure that the LSI is firmly fixed in the socket adapter and the socket adapter is firmly fixed onto the
programmer.
3. PROM programmers have two voltages (V
PP): 12.5 V and 21 V. Remember that ZTAT™ devices
require a V
PP of 12.5 V—the 21-V setting will damage them. 12.5 V is the Intel 27256 setting.
Programming and Verification
The built-in PROM of the MCU can be programmed at high speed without risk of voltage stress or damage
to data reliability.
Programming and verification modes are selected as listed in table 28.
Table 28
PROM Mode Selection
Pin
Mode
CE
OE
V
PP
O
0–O7
Programming
Low
High
V
PP
Data input
Verification
High
Low
V
PP
Data output
Programming inhibited
High
High
V
PP
High impedance



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