參數(shù)資料
型號(hào)： UPD6464AGT
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(yè)數(shù)： 23/52頁(yè)
文件大?。?/td> 570K
代理商： UPD6464AGT
μ
PD6464A,6465
23
Character specification bits
These bits specify the address of a character. There are 128 types of characters available (
μ
PD6465: 256 types).
Addresses 7E
H
(
μ
PD6464A), FE
H
(
μ
PD6465), 7F
H
(
μ
PD6464A) and FFH (
μ
PD6465), however, are fixed to the
display OFF data and 2-byte contiguous command end code, respectively (no character can be set to these
addresses even when the character is changed by mask code option because these addresses are fixed
nevertheless). The character designs can be changed by mask code option.
Blink control bit
This bit specifies whether the character written to the video RAM blinks, in character units. For the details of turning
ON/OFF blinking in screen units, refer to
2.2 Display Control Command
.
3. TRANSFERRING COMMANDS
3.1 1-Byte Command
DATA
CLK
CS
3.2 2-Byte Command
DATA
CLK
CS
1st byte
2nd byte
1st byte: D15-D8
2nd byte: D7-D0
When transferring a 2-byte command, keep CS low between the first byte and second byte.
3.3 2-Byte Contiguous Command
DATA
CLK
CS
1st byte
2nd byte
2nd byte
The 2-byte contiguous command writes a character to the video RAM. To write characters in succession
without changing the blink data, first transfer the first byte and then transfer the second bytes (character
addresses) in succession.
相關(guān)PDF資料
PDF描述
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
UPD6465GT ON-SCREEN CHARACTER DISPLAY CMOS LSI FOR 12-LINE, 24-COLUMN DECK-TYPE VCR
UPD6466 ON-SCREEN CHARACTER DISPLAY CMOS IC FOR 512-CHARACTER, 12-ROW, 24-COLUMN, CAMERA-CONTAINED VCR
UPD6466GS ON-SCREEN CHARACTER DISPLAY CMOS IC FOR 512-CHARACTER, 12-ROW, 24-COLUMN, CAMERA-CONTAINED VCR
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
UPD6465GT 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
UPD6465GT-101(A) 制造商:Renesas Electronics Corporation 功能描述:
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