參數(shù)資料
型號(hào): UPD16434G-001-12
廠商: NEC Corp.
英文描述: 1/8, 1/16 DUTY LCD CONTROLLER/DRIVER
中文描述: 1 / 8,1 / 16稅LCD控制器/驅(qū)動(dòng)
文件頁(yè)數(shù): 4/64頁(yè)
文件大?。?/td> 314K
代理商: UPD16434G-001-12
Data Sheet S10299EJ4V0DS00
4
μ
PD16434
TABLE OF CONTENTS
1. PIN FUNCTIONS ………………………………………………………………………………………………
1.1 D0 to D3 (Data Bus) … 3-state input/output ……………………………………………….………………….....
1.2 SI (Serial Data In) … Also serves as D0 input ……………………………………………………….………..…
1.3 SO (Serial Data Out) … Also serves as D3 output ………………………………….……………….………….
1.4 P, /S (Parallel/Serial Select) … Also serves as D1 input ………………………………………………………
1.5 CAE (Chip Address Enable) … Also serves as D2 input ………………………………………………………
1.6 CA0, CA1 (Chip Address) … Input …………………………………………………………………………………
1.7 /CS (Chip Select) … Input …………………………………………………………………………………………...
1.8 /STB, /SCK (Strobe/Serial Clock) … Input .……………………………………………………….………………
1.9 C, /D (Command/Data) … Input ………………………………………………………………….…………………
1.10 /BUSY (Busy) … 3-state output …………………………………………………………………………………..
1.11 SYNC (Synchronous) … 3-state input/output ………………………………………………………………….
1.12 C0 to C41 (Column) … Output …………………………………………..………………………………………..
1.13 R8/C49 to R15/C42 (Row/Column) … Output ..…………………………………………...…………………….
1.14 R0/R8 to R7/R15 (Row) … Output .………………………….…………………………………………………….
1.15 V
LC1
to V
LC5
(LCD Drive Voltage Supply) … Input ……………….…………………………….………………
1.16 CLOCK (Clock) … Input ……………………………………………………………………………………………
1.17 RESET (Reset) … Input ………………………………………………………………….…………………………
1.18 V
DD
……………………………………………………………………………………………………….….……….…
1.19 V
SS
…………………………………………………………………………………………………………..……….…
2. INTERNAL BLOCK FUNCTIONS …………………………………………………………………………..
2.1 Serial/Parallel Interface ……………………………………………………………………………………………...
2.2 Command Decoder …………………………………………………………………………………………………..
2.3 Character Generator …………………………………………………………………………………………………
2.4 Data Pointer ……………………………………………………………………………………………………………
2.5 Data Memory …………………………………………………………………………………………………………..
2.6 LCD Voltage Control Circuit ………………………………………………………………………………………..
2.7 LCD Timing Control Circuit …………………………………………………………………………………………
2.8 Row/Column Driver …………………………………………………………………………………………………..
3. DATA INPUT/OUTPUT OPERATION ………………………………………………………………………
4. SELECTING
μ
PD16434 INTERFACE FUNCTION WITH CPU …………………………………………
4.1 Functions of Shared Pins ……………………………………………………………………………………………
4.2 Chip Address Selection Function ………………………………………………………………….………………
5. LCD DRIVE REFERENCE VOLTAGE SUPPLY …………………………………………………………..
5.1 Supplying LCD Drive Reference Voltage by Resistor Network ………………………………………………
5.2 Reduction in Current Consumption by RESET Signal …………………………………………………………
6. DISPLAY EXAMPLES ………………………………………………………………………………………..
7. STANDBY MODE ……………………………………………………………………………………………..
7.1 Clearing Standby Mode ……………………………………………………………………………………………..
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