UPD16434 NEC, UPD16434 Datasheet - Page 4

• Manufacturer Part Number: UPD16434
• Description: 1/8/ 1/16 DUTY LCD CONTROLLER/DRIVER
• Manufacturer: NEC

1. PIN FUNCTIONS ………………………………………………………………………………………………
2. INTERNAL BLOCK FUNCTIONS …………………………………………………………………………..
3. DATA INPUT/OUTPUT OPERATION ………………………………………………………………………
4. SELECTING
5. LCD DRIVE REFERENCE VOLTAGE SUPPLY …………………………………………………………..
6. DISPLAY EXAMPLES ………………………………………………………………………………………..
7. STANDBY MODE ……………………………………………………………………………………………..
4
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
1.16 CLOCK (Clock) … Input ……………………………………………………………………………………………
1.17 RESET (Reset) … Input ………………………………………………………………….…………………………
1.18 V
1.19 V
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 …………………………………………………………………………………………………..
4.1 Functions of Shared Pins ……………………………………………………………………………………………
4.2 Chip Address Selection Function ………………………………………………………………….………………
5.1 Supplying LCD Drive Reference Voltage by Resistor Network ………………………………………………
5.2 Reduction in Current Consumption by RESET Signal …………………………………………………………
7.1 Clearing Standby Mode ……………………………………………………………………………………………..
LC1
DD
SS
…………………………………………………………………………………………………………..……….…
……………………………………………………………………………………………………….….……….…
to V
LC5
PD16434 INTERFACE FUNCTION WITH CPU …………………………………………
(LCD Drive Voltage Supply) … Input ……………….…………………………….………………
TABLE OF CONTENTS
Data Sheet S10299EJ4V0DS00
PD16434
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