Renesas PCA7408 User Manual

This chapter describes procedures you need to follow to write the program.

For details on how to operate the PROM programmer, refer to the user's manual of the PROM
programmer.

Follow the steps (1) to (7) below to write the program into the MCU.

(1) Read the program into the PROM programmer.

(2) Attach the adapter to the IC socket of the PROM programmer. (See Section 3.2)

(3) Insert the MCU into the adapter. (See Section 3.3)

(4) Set the programming area with the PROM programmer. (See Section 3.4)

(5) Check to erase the programming area.*

Using the PROM programmer's erase check function, check whether data can be written into
the MCU's programming area.

(6) Write the program into the programming area of the MCU using the PROM programmer.*

(7) Verify the programming area of the MCU using the PROM programmer to check whether the

program has been written into the MCU correctly.*

Notes:

* Be sure to set the programming area. Otherwise the mode's shift to the programming mode

* Some PROM programmers perform the steps (5) through (7) automatically.