參數(shù)資料
型號(hào)： M37540M2-XXXGP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO36
封裝： 0.450 INCH, 0.80 MM PITCH, PLASTIC, SSOP-36
文件頁數(shù)： 47/88頁
文件大?。?/td> 872K
代理商： M37540M2-XXXGP
7540 Group
Rev.4.00
Jun 21, 2004
page 51 of 82
REJ03B0011-0400Z
s Note on Power Source Voltage
When the power source voltage value of a microcomputer is less
than the value which is indicated as the recommended operating
conditions, the microcomputer does not operate normally and may
perform unstable operation.
In a system where the power source voltage drops slowly when
the power source voltage drops or the power supply is turned off,
reset a microcomputer when the supply voltage is less than the
recommended operating conditions and design a system not to
cause errors to the system by this unstable operation.
s Electric Characteristic Differences Among
Mask ROM and One TIme PROM Version
MCUs
There are differences in electric characteristics, operation margin,
noise immunity, and noise radiation among mask ROM and One
Time PROM version MCUs due to the differences in the manufac-
turing processes.
When manufacturing an application system with One Time PROM
version and then switching to use of the mask ROM version, per-
form sufficient evaluations for the commercial samples of the
mask ROM version.
DATA REQUIRED FOR MASK ORDERS
The following are necessary when ordering a mask ROM produc-
tion:
1.Mask ROM Order Confirmation Form *
2.Mark Specification Form *
3.Data to be written to ROM, in EPROM form (three identical cop-
ies) or one floppy disk.
DATA REQUIRED FOR ROM PROGRAMMING
ORDERS
The following are necessary when ordering a One Time PROM
production:
1.ROM Programming Order Confirmation Form *
2.Mark Specification Form *
3.Data to be written to ROM, in EPROM form (three identical cop-
ies) or one floppy disk.
* For the mask ROM confirmation and the mark specifications,
refer to the "Renesas Technology Corp." Homepage
(http://www.renesas.com/en/rom).
ROM PROGRAMMING METHOD
The built-in PROM of the blank One Time PROM version can be
read or programmed with a general-purpose PROM programmer
using a special programming adapter. Set the address of PROM
programmer in the user ROM area.
The PROM of the blank One Time PROM version is not tested or
screened in the assembly process and following processes. To en-
sure proper operation after programming, the procedure shown in
Figure 54 is recommended to verify programming.
Package
32P4B
32P6U-A
36P2R-A
Name of Programming Adapter
PCA7435SPG02
PCA7435GPG03
PCA7435FPG02
Table 7 Special programming adapter
Fig. 54 Programming and testing of One Time PROM version
Programming with
PROM programmer
Screening (Caution)
(150
°C for 40 hours)
Verification with PROM
programmer
Functional check in
target device
The screening temperature is far higher
than the storage temperature. Never
expose to 150
°C exceeding 100 hours.
Caution:
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
M37540M2-XXXSP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
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M37540M4T-XXXGP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
M37540M4V-XXXFP 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:8-BIT CISC SINGLE-CHIP MICROCOMPUTER 740 FAMILY / 740 SERIES
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