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參數(shù)資料
| 型號： | HD40A4354 |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | 4-bit HMCS400-Series microcomputer |
| 中文描述： | 4位HMCS400系列微機(jī) |
| 文件頁數(shù)： | 81/100頁 |
| 文件大?。?/td> | 398K |
| 代理商： | HD40A4354 |
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HD404358 Series
81
Warnings
1. Always specify addresses $0000 to $7FFF when programming with a PROM programmer. If address
$8000 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 and 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 30.
For details of PROM programming, refer to the following Notes on PROM Programming section.
Table 30
PROM Mode Selection
Pin
CE
Mode
OE
V
PP
V
PP
V
PP
V
PP
O
0
–O
4
Data input
Programming
Low
High
Verification
High
Low
Data output
Programming inhibited
High
High
High impedance
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HD40A4354H | 4-bit HMCS400-Series microcomputer |
| HD40A4354S | 4-bit HMCS400-Series microcomputer |
| HD40A4356 | 4-bit HMCS400-Series microcomputer |
| HD40A4356H | 4-bit HMCS400-Series microcomputer |
| HD40A4356S | 66 POS MOLDED PGA SOCKET |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HD40A4354H | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-bit HMCS400-Series microcomputer |
| HD40A4354S | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-bit HMCS400-Series microcomputer |
| HD40A4356 | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:microcomputer has an A/D converter, |
| HD40A4356H | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:4-bit HMCS400-Series microcomputer |
| HD40A4356R | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:HMCS43XXFamily User＇s Manual/Device |
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