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Continued from preceding page.
Usage Notes
1. Option specification
When using a Sanyo cross assembler with the LC66E2316, use the version called “LC66S.EXE” and specify the
actual microcontroller to be evaluated with the CPU pseudo instruction in the source file. The port options must be
specified in the source file. The cross assembler will create an option code list in the option specification area
(locations 3FF0H to 3FFFH). It is also possible to directly set up data in the option specification area. If this is done,
the options must be specified according to the option code creation table shown on the following page.
2. Writing the EPROM
Use a special-purpose writing conversion board (the W66EP5316D for the DIP package, and the W66EP2316Q for
the QFP package) to allow the EPROM programmers listed below to be used when writing the data created by the
cross assembler to the LC66E2316.
The EPROM programmers listed below can be used.
The “27512 (V
PP
12.5 V) Intel high-speed write” technique must be used to write the EPROM. Set the address
range to location 0 to 3FFFH. The DASEC jumper must be off.
3. Using the data security function
The data security function sets up the microcontroller in advance so that data that was written to the microcontroller
EPROM cannot be read out.
Use the following procedure to enable the LC66E2316 data security function.
Set the write conversion board DASEC jumper to the on position.
Write the data to the EPROM once again.
At this time, since this function will operate, the EPROM programmer will issue an error. However, this error does
not indicate that there was a problem in either the programmer or the LSI.
Notes: 1. If the data at all addresses was “FF” at step 2, the data security function will not be activated.
Notes:
2. The data security function will not be activated at step 2 if the “blank
→
program
→
verify” operation
sequence is used.
Notes:
3. Always return the jumper to the off position after the data security function has been activated.
No. 5486-12/26
LC66E2316
ROM area
Bit
Option specified
Option/data relationship
7
6
5
3FFEH
4
Reserved. Must be set to predefined data values.
This data is generated by the assembler.
If the assembler is not used, set this data to ‘00’.
3
2
1
0
7
6
5
3FFFH
4
Reserved. Must be set to predefined data values.
This data is generated by the assembler.
If the assembler is not used, set this data to ‘00’.
3
2
1
0
Manufacturer
Models that can be used
Advantest
R4945, R4944A, R4943, or equivalent products
Ando
AF9704
AVAL
—
Minato Electronics
MODEL1890A
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LC66358B | Four-bit Single-Chip Microcontrollers On-Chip 8 K-byte ROM(4位單片微控制器(帶8K字節(jié)片上ROM)) |
| LC66358S | Four-Bit Single-Chip Microcontrollers with 6k and 8k of On-Chip ROM |
| LC66358V | 3-Line to 8-Line Decoder / Demultiplexer 16-TVSOP -40 to 85 |
| LC66404A | 3-Line to 8-Line Decoder / Demultiplexer 16-TVSOP -40 to 85 |
| LC66506 | 6K-Byte/8K-Byte ROM-Contained Single-Chip 4-bit Microcomputer for Control-Oriented Applications |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC66356S | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Four-Bit Single-Chip Microcontroller with 16 KB of On-Chip OTP PROM |
| LC66356V | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:4-bit Microcontroller with Built-in PROM |
| LC66358A | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Four-Bit Single-Chip Microcontrollers with 4, 6, 8, 12, and 16 KB of On-Chip ROM |
| LC66358B | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Four-Bit Single-Chip Microcontroller with 16 KB of On-Chip OTP PROM |
| LC66358C | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Four-Bit Single-Chip Microcontrollers with 4, 6, and 8 KB of On-Chip ROM |
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