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參數(shù)資料
| 型號： | UPD6464A |
| 廠商： | NEC Corp. |
| 英文描述： | ON-SCREEN CHARACTER DISPLAY CMOS LSI FOR 12-LINE, 24-COLUMN DECK-TYPE VCR |
| 中文描述： | 屏幕字符顯示的CMOS大規(guī)模集成電路的12線，24柱甲板型錄像機(jī) |
| 文件頁數(shù)： | 24/52頁 |
| 文件大小： | 570K |
| 代理商： | UPD6464A |
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μ
PD6464A,6465
24
3.4 Successive Command Input
Transfer each of the 1-byte, 2-byte, and 2-byte contiguous commands from a microcomputer to the
μ
PD6464A, 6465 as described below.
When transferring a 1-byte command, 2-byte command, or a 2-byte contiguous command with the blink data
changed after a 2-byte contiguous command has been transferred, either make CS high once, or transfer end
code of the 2-byte contiguous command
Note
at the end of the 2-byte contiguous command. In the latter case,
CS needs not to be made high.
Note
7F
H
(
μ
PD6464A), FF
H
(
μ
PD6465)
3.4.1 When 2-byte contiguous command end code is not used
Example
1-byte command
→
2-byte contiguous command
→
1-byte command
CS must be made high once.
1-byte command
1st byte
1-byte command
2nd byte
normal character
Note
2nd byte
normal character
Note
D7 - D0
D15 - D8
D7 - D0
D7 - D0
D7 - D0
DATA
CLK
CS
2-byte contiguous command
Note
00
H
-7E
H
(
μ
PD6464A), 00
H
-FE
H
(
μ
PD6465)
3.4.2 When 2-byte contiguous command end code is used
Example
1-byte command
→
2-byte contiguous command
→
1-byte command
CS needs not to be made high.
1-byte command
1st byte
1-byte command
2nd byte
normal character
Note 1
2nd byte
2-byte contiguous
command end code
Note 2
D7 - D0
D15 - D8
D7 - D0
D7 - D0
D7 - D0
DATA
CLK
CS
2-byte contiguous command
Notes 1.
00
H
-7E
H
(
μ
PD6464A), 00
H
-FE
H
(
μ
PD6465)
2.
7F
H
(
μ
PD6464A), FF
H
(
μ
PD6465)
Remark
Although the CS pin can remain low when the end code of the 2-byte contiguous command is used,
making this pin high is recommended as a countermeasures against noise.
相關(guān)PDF資料 |
PDF描述 |
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| UPD6464ACS | ON-SCREEN CHARACTER DISPLAY CMOS LSI FOR 12-LINE, 24-COLUMN DECK-TYPE VCR |
| UPD6464AGT | ON-SCREEN CHARACTER DISPLAY CMOS LSI FOR 12-LINE, 24-COLUMN DECK-TYPE VCR |
| UPD6465 | ON-SCREEN CHARACTER DISPLAY CMOS LSI FOR 12-LINE, 24-COLUMN DECK-TYPE VCR |
| UPD6465CS | ON-SCREEN CHARACTER DISPLAY CMOS LSI FOR 12-LINE, 24-COLUMN DECK-TYPE VCR |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UPD6464ACS | 制造商:NEC 制造商全稱:NEC 功能描述:ON-SCREEN CHARACTER DISPLAY CMOS LSI FOR 12-LINE, 24-COLUMN DECK-TYPE VCR |
| UPD6464AGT | 制造商:NEC 制造商全稱:NEC 功能描述:ON-SCREEN CHARACTER DISPLAY CMOS LSI FOR 12-LINE, 24-COLUMN DECK-TYPE VCR |
| UPD6464AGT101A | 制造商:Renesas Electronics 功能描述:VCR 5V Cut Tape |
| UPD6465 | 制造商:NEC 制造商全稱:NEC 功能描述:ON-SCREEN CHARACTER DISPLAY CMOS LSI FOR 12-LINE, 24-COLUMN DECK-TYPE VCR |
| UPD6465CS | 制造商:NEC 制造商全稱:NEC 功能描述:ON-SCREEN CHARACTER DISPLAY CMOS LSI FOR 12-LINE, 24-COLUMN DECK-TYPE VCR |
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