MITSUBISHI MICROCOMPUTERS
3822 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
DATA REQUIRED FOR MASK ORDERS
The following are necessary when ordering a mask ROM produc-
tion:
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.
✽
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
Table 14 Programming adapter
✽For the mask ROM confirmation and the mark specifications, re-
fer to the “Mitsubishi MCU Technical Information” Homepage
(http://www.infomicom.mesc.co.jp/).
Package
80P6N-A
80P6S-A
80P6Q-A
80D0
Name of Programming Adapter
PCA4738F-80A
PCA4738G-80A
PCA4738H-80A
PCA4738L-80A
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.
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 :
Fig. 46 Programming and testing of One Time PROM version
47
MITSUBISHI [ Mitsubishi Group ]
