UPD16430A NEC, UPD16430A Datasheet
UPD16430A
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UPD16430A Summary of contents
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DUTY LCD CONTROLLER/DRIVER The PD16430A is an LCD controller/driver that enables the display of LCDs of 1/2 duty, 1/3 duty and 1/4 duty cycle. The LCD controller contained in the PD16430A employs serial data transfer and uses ...
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... LCD13 15 LCD14 16 LCD15 17 LCD16 LCD17 18 19 LCD18 20 LCD19 LCD20 21 22 LCD21 23 LCD22 24 LCD23 25 2627 28 29 3031 32 33 3435 36 37 3839 40 Remark Be sure to leave Pin 33 open since it is connected to the lead frame. 2 PD16430A 64 COM1 63 COM0 62 LCD59 61 LCD58 60 LCD57 59 LCD56 58 LCD55 57 LCD54 56 LCD53 55 ...
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PIN FUNCTIONS No. Symbol I/O Output Type 1 LCD0 Output CMOS LCD31 35 LCD32 LCD59 63 COM0 Output CMOS COM3 67 V — — LC2 68 V LC1 69 V LC0 ...
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... Nch Open drain 75 STB Input — 76 DATA Input — 77 CLK Input — 4 Description These pins serve to connect the resistors of the system clock RC oscillator. OSC OSC IN OUT 70 71 100 k When several devices are used, connect as follows: OSC OSC OSC IN OUT 70 71 100 k GND pin for device ...
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... Display RAM data is maintained. Since displays are turned off only by the output driver, serial communica- tions can be executed as usual. To turn on displays necessary to input a logic high to this pin and reset the LCDON flag. This pin is a power supply pin to the device. ...
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BLOCK DIAGRAM Segment driver (2 Level shifter (60 circuits) Selector (60 circuits Output data latch (4 Latch pulse generator (60 bits) RES Write controller BUSY STB DATA CLK 6 60 circuits) 60 bits ...
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Display RAM Addresses and Display Dots Display RAM temporarily stores display data that has been sent serially. Display RAM addresses are allocated in units of 8 bits (group address), and it is possible to store the display data of a ...
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Commands Commands serve to set the LCD driver’s display mode and status. The first byte (8 bits) after the falling edge input of the STB signal is processed as a command. The various types of commands are shown below. (1) ...
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Data Setting Command MSB — — Values at power-on reset — — LSB R ...
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Status setting command MSB Values at power-on reset 0 0 ...
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Address setting command MSB Values at power-on reset — 0 LSB b1 b0 Sets RAM group address. 000000 to 001110 (1/2 duty) 000000 to 010011 (1/3 duty) 000000 to 011101 (1/4 duty) 0 ...
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Command DATA CLK STB BUSY <1> <2> <3> <1> Start serial communications by setting STB signal to logic low <2> Internal processing time = 300 ns <3> Transmit mode setting command if initialized (duty cycle and others) <4> Internal processing ...
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V DD Internal POC OSC1 BUSY STB <1> <2> <3> <4> <5> <1> Apply supply voltage <2> When V becomes higher than power-on reset voltage, device starts operating. DD <3> Device stabilization time (less than 10 ms ...
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Application Data transmission examples according to address increment mode DATA Command 1 Command 2 CLK STB Command – – Command – – Command ...
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Absolute Maximum Ratings ( GND = Parameter Logic supply voltage Logic input voltage Logic output voltage Driver supply voltage Driver input voltage Driver output voltage Operating temperature range Storage temperature range Permissible package power ...
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Switching Characteristics (T = – Parameter Symbol Oscillation frequency f SOC BUSY delay time t DBSY SYNC delay time t DSYNC Timing Requirements (T = – Parameter Symbol Clock frequency ...
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Switching Characteristic Waveform Measurement points: Input: 0 Output OSC IN STB t RSTBK t WLK CLK t DATA SYNC timing (master) 1 frame f OSC SYNC Internal reset , 0.3 V ...
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STB BUSY 18 t DBSY PD16430A ...
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Application Circuit Example Microcontroller Battery ACC POWER Remark Use low-V diodes such as Schottky-barrier diodes, and make sure that V F absolute maximum ratings of the diodes. The application circuits and their parameters are for reference ...
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PD16430A External Bias Resistor Setting Method V LCD V LC0 PD16430A V LC1 V LC2 LCDOFF display on) 1/2 bias 2 (V – LCD the peak value ...
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... External resistor Recommended Soldering Conditions When soldering on this product, please observe the recommended conditions indicated in the table below. If planning to solder under different conditions, please consult an NEC sales representative. PD16430AGF-3B9 Soldering method Infrared ray reflow Peak package temperature: 235 C, time: 30 seconds max. (210 C min.), ...
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PIN PLASTIC QFP (14 20 NOTE Each lead centerline is located within 0.15 mm (0.006 inch) of its true position (T.P.) at maximum material condition ...
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PD16430A 23 ...
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... Specific: Aircrafts, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems or medical equipment for life support, etc. The quality grade of NEC devices is "Standard" unless otherwise specified in NEC's Data Sheets or Data Books. If customers intend to use NEC devices for applications other than those specified for Standard quality grade, they should contact an NEC sales representative in advance ...