参数资料
型号: M38503E4FP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PDSO42
封装: 0.450 INCH, 0.80 MM, PLASTIC, SSOP-42
文件页数: 28/55页
文件大小: 867K
代理商: M38503E4FP
31
3850 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
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)
DATA REQUIRED FOR ROM WRITING
ORDERS
The following are necessary when ordering a ROM writing:
1.ROM Writing Confirmation Form
2.Mark Specification Form
3.Data to be written to ROM, in EPROM form (three identical cop-
ies)
ROM PROGRAMMING METHOD
The built-in PROM of the blank One Time PROM version and built-
in EPROM 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.
Fig. 37 Programming and testing of One Time PROM version
Table 5 Programming adapter
Package
42P2R-A
42P4B
Name of Programming Adapter
PCA4738F-42A
PCA4738S-42A
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 49 is recommended to verify programming.
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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