Casio CSF-7950 Specifications download pdf (Page 13)

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STEP OPERATION DISPLAY NOTE

Memory

Check

2 /////////// MEMORY ///////////

1 WRITE 1

2 READ 1

3 WRITE 2

4 READ 2

5 DUMP

6 CHECK SUM

1

RAM WRITE 1

Write the test pattern 1 into RAM

/////////// MEMORY ///////////

1 WRITE 1

2 READ 1

3 WRITE 2

4 READ 2

5 DUMP

6 CHECK SUM

After 3 sec.

2

EXECUTING !!

Read the test pattern 1 from RAM

CMPLETE !!

128kB

After 3 sec.

Memory

Check

OK /////////// MEMORY ///////////

1 WRITE 1

2 READ 1

3 WRITE 2

4 READ 2

5 DUMP

6 CHECK SUM

3

RAM WRITE 2

Write the test pattern 2 into RAM

/////////// MEMORY ///////////

1 WRITE 1

2 READ 1

3 WRITE 2

4 READ 2

5 DUMP

6 CHECK SUM

After 3 sec.

4

EXECUTING !!

Read the test pattern 2 from RAM

CMPLETE !!

128kB

After 3 sec.

OK /////////// MEMORY ///////////

1 WRITE 1

2 READ 1

3 WRITE 2

4 READ 2

5 DUMP

6 CHECK SUM

5

09B5

Wiring check for ROM

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