M38504M6-201FP 데이터 시트보기 (PDF) - MITSUBISHI ELECTRIC

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M38504M6-201FP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

MITSUBISHI MICROCOMPUTERS

3850 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

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 R E QU I R E D F O R RO M W R I T I N G

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.

Table 5 Programming adapter

Package

Name of Programming Adapter

42P2R-A

42P4B

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

Caution : The screening temperature is far higher

than the storage temperature. Never

expose to 150 °C exceeding 100 hours.

Fig. 37 Programming and testing of One Time PROM version

31

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