3820 datasheet(63/349 Pages) RENESAS

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3820 GROUP USER’S MANUAL

1-46

MITSUBISHI MICROCOMPUTERS

3820 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

copies)

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 11. Programming adapter

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 46 is recommended to verify programming.

Fig. 46 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 :

Package

80P6N-A

80P6S-A

80P6D-A

80D0

Name of Programming Adapter

PCA4738F-80A

PCA4738G-80

PCA4738H-80

PCA4738L-80A

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