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參數(shù)資料
| 型號(hào)： | LC7982A |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | LCD Dot Matrix Graphics Display Controller(LCD點(diǎn)陣圖象顯示控制器) |
| 中文描述： | 液晶點(diǎn)陣圖形顯示控制器（液晶點(diǎn)陣圖象顯示控制器） |
| 文件頁(yè)數(shù)： | 8/18頁(yè) |
| 文件大?。?/td> | 264K |
| 代理商： | LC7982A |
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Pin Functions
No. 5946-8/18
LC7982A
Pin No.
Pin
Function
21 to 28
DB0 to DB7
Data bus. These are 3-state shared I/O pins and are used for data transfers to and from the microcontroller.
15
CS
Chip select: The IC is set to the selected state when CS = 0.
Read/write: R/W = 1..........Microcontroller
←
LC7982A
R/W = 0..........Microcontroller
→
LC7982A
Register select: RS = 1....Instruction register
RS = 0....Data register
17
R/W
18
RS
16
E
Enable: Data writes are performed when E falls from high to low.
Data can be read when E = 1.
6, 7, 8
CR, R, C
RC oscillator connections
14
RES
Reset: When this pin is set 0, the display is turned off and slave mode and HP = 6 are selected.
1 to 4
MA0 to MA15
Display RAM address outputs
49 to 60
In character display mode, MA12 to MA15 are output as the external CG raster address.
30 to 37
MD0 to MD7
Display data bus: Three-state shared input and output signals
38 to 45
RD0 to RD7
ROM data inputs: Dot data from an external character generator is input using these pins.
13
WE
Write enable: The RAM write signal
46
CL2
Display data shift clock
11
CL1
Display data latch signal
10
FLM
Frame signal
LCD drive signal: Alternation signal.....Method A
LCD drive signal: Alternation signal.....Method B
Display data serial output: D1..............Upper screen
19
MA
5
MB
47, 48
D1, D2
D2..............Lower screen
9
CPO
Slave mode clock
Parallel operation synchronizing signal: Three-state shared input and output signal.
12
SYNC
Master mode:Outputs a synchronizing signal.
Slave mode: Inputs a synchronizing signal.
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| LC7985ND | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:LCD Controller/Driver |
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