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MESC TOOL NEWS:
MESCT-M34551T2-MCU-000916D
M34551T2-MCU Board
Precaution
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Please take note of the settings of switches SW9 on MCU board M34551T2-MCU for the 4551 and 4555 groups in the 4500 MCU series.
- Products Concerned
| Product Type | Description |
M34551T2-MCU | MCU board for 4551 and 4555 groups in 4500 series
- Serial Nos. 8JS001 -- 8JS004 fabricated in Oct. 1998 (4 pieces)
- Serial Nos. 8KS005 fabricated in Nov. 1998 (1 pieces)
- Serial Nos. 9DS001 -- 9DS020 fabricated in Apr. 1999 (20 pieces)
- Serial Nos. 9ES021 -- 9ES030 fabricated in May 1999 (10 pieces)
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- Problem
How to set the SW9 switch for "551" (for the 4551 group) and "555" (for the 4555 group) is incorrectly explained in Table 4.3 "Functions of the switches" on page 13 of "M34551T2-MCU User's Manual". Therefore, if you set SW9 in accordance with the user's manual, the 4555 group is selected for the 4551 group and vice versa.
- The positions and settings of switch SW9 on M34551T2-MCU
- * Positions
- * Settings
Note that the labels are placed at the correct positions on SW9.
- SW9 Set in Accordance with User's Manual
When "551" is selected for the 4551 group by SW9, the 4555 group that comes with 8K words by 10 bit wide of ROM will be actually selected. If PD45 is launched at this selection, error message "Error 1552: DAT file not found" appears because the necessary data file does not exist.
- Download of User's Manual without Charge
Please download "M34551T2-MCU User's Manual" (Second edition; 925 KB in PDF) from here.
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