NJU6535FH1 NJR, NJU6535FH1 Datasheet
NJU6535FH1
Specifications of NJU6535FH1
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NJU6535FH1 Summary of contents
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... Output Port for LED (maximum 4 LED) # Serial Interface (SI, SO, SCL, CS) # Useful Instruction set # Incorporated LCD Driving Voltage Generator Circuits # Electrical Variable Resistance (8-step) # Logic Operating Voltage # LCD Driving Voltage # Package Outline # C-MOS Technology (Substrate :P) Ver.2004-04-16 ! 4.5 ~ 5.5V ~5.5V QFP64-G1 QFP64-H1 NJU6535 PACKAGE OUTLINE NJU6535FG1 NJU6535FH1 - 1 - ...
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NJU6535 ! PIN LOCATION OSC SO CE SCL SI ! BLOCK DIAGRAM VDD E.V. VSS ...
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TERMINAL DESCRIPTION 1 No. SYMBOL 1 SEG1/P0 2 SEG2/P1 3 SEG3/P2 4 SEG4/ SEG5 to SEG39 40 COM1 41 COM2 42 COM3 43 SEG40/COM4 44 SEG41/S0 45 SEG42/ ...
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NJU6535 ! FUNCTIONAL DESCRIPTION (1) Description for each blocks (1-1) Serial I/F The Serial I/F controls serial data from external data. (1-2) Instruction Reg. The Instruction Register stores instruction code from external. (1-3) Instruction Decoder. The instruction decoder decodes instruction ...
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INSTRUCTIONS The instruction code is consisted of 12-bits data and inputs with display data. (see “Table 1 Instruction Code Instruction Duty Select EVR Register Set Power Save mode set Segment output / Key scan output selection Segment ...
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NJU6535 (2) INSTRUCTIONS CODE (2-1) Duty select Duty select instruction is which sets LCD driving duty ratio 1/3 or 1/4 duty. No.43 terminal is change Common terminal or segment terminal shown below. Table 1 DY Duty ratio 0 1/3 Duty ...
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Segment output / General output port selection This instruction assigns function of output terminal either segment output or general purpose output port to 4 terminals numbered from shown in following table ...
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NJU6535 (3) Display data and output pin correspondence (3-1) 1/3Duty Output COM1 terminal SEG D1 1 SEG D4 2 SEG D7 3 SEG D10 4 SEG D13 5 SEG D16 6 SEG D19 7 SEG D22 8 SEG D25 9 ...
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Output COM1 COM2 terminal SEG SEG SEG D9 D10 3 SEG D13 D14 4 SEG D17 D18 5 SEG D21 D22 6 SEG D25 D26 7 SEG D29 D30 8 SEG D33 ...
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NJU6535 (4) Input Data Format and Timing Data format is shown below. When the CE terminal goes to “H” (rising edge) at SCL terminal “H”, I/F is data input. (4-1) 1/3Duty Data 1 (D1 to D42 and Instruction) CE SCL ...
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Data 1 (D1 to D44 and Instruction) CE SCL Data 2 (D45 to D84) CE SCL D45 D46 SI Display data SO Data 3 (D85 to D124) CE SCL D85 D86 SI Display data ...
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NJU6535 (5) Power save mode Power save mode set by “1” level as a control data in PS0 or 1, and released by “0” in PS0 and PS1. In power save mode, segment drivers and commons ...
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Timing of Key scan Key scan cycle is 288T[S]. The data of key scan is a result of comparison with a couple of Key scan for correct judge whether Key On or Off. When the result of comparison is ...
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NJU6535 (6-5) Normal mode Key scan operates with follows in normal mode. 1, Key scan signal output terminals S0 – S5 output “H” signals when key scan does not operate, and output key scan signals after start of key scan ...
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Power save mode Key scan operates with follows in Power save mode. 1, Key scan signal output terminals S0 – S5 output “H”, “L” signals by the control data S0 and S1 when key scan does not operate (refer ...
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NJU6535 (6-7) Key More Input Key scan signal output terminal output “H” level in state of Key More Input. Although Key state is detected without diodes to prevent unexpected key scan signal flow, non-pressed key data may ...
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Key data reading out operation by external CPU (a) Display data writing Display data and instruction change operate at the rising edge of signal into CE terminal. Written data or instructions do not operate during CE terminal “H”. When ...
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NJU6535 ! Timing chart of key data reading out operation Key input SO CE SCL Interrupt Decision - 18 - Key Key OFF Key ON t1: Key scan time t2: Key data read ...
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Power on reset circuit initializes Power on reset circuit initializes the NJU6535 at Power ON and OFF. It generates reset signal to initialize the system at low VDD less than power down detection voltage (2.5V typical). (7-1) Initial status ...
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NJU6535 (8) LCD panel drive (8-1) LCD driving voltage generation circuit LCD driving voltage generation circuit generates LCD driving bias voltages V0, V1 and V2. It adjusts the voltage by 8 steps electrical volume from VDD and allots the voltage ...
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ABSOLUTE MAXIMUMN RATINGS PARAMETER SYMBOL Supply Voltage VDDmax Input Voltage VI Output Voltage VO Power Dissipation Pdmax Storage Temperature Tstg Operating temperature Topr Note1) All voltage values are specified as Vss = 0V. Note2) If the LSI are used ...
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NJU6535 # ELECTRICAL CARACTERISTICS DC Characteristics PARAMETER SYMBOL Power supply ”H” level input voltage(1) VIH(1) ”H” level input voltage(2) VIH(2) ”L” level input voltage(1) VIL(1) Hysteresis voltage ”H” level input current ”L” level input current Pull-down resistance ”H” level output ...
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AC Characteristics PARAMETER SYMBOL “L” level tWCLL clock pulse width “H” level tWCLH clock pulse width Data setup time tDS Data hold time tDH CE wait time tCP CE setup time tCS CE hold time tCH CE ”L” level width ...
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NJU6535 # LCD DRIVING WAVEFORM (1) 1/3 Duty, 1/2 Bias Driving COM 1 COM 2 COM 3 “OFF” segment output correspond to COM , COM and COM 1 2 “ON” segment output correspond to COM 1 “ON” segment output correspond ...
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Duty, 1/3 Bias Driving COM 1 COM 2 COM 3 “OFF” segment output correspond to COM , COM and COM 1 2 “ON” segment output correspond to COM 1 “ON” segment output correspond to COM 2 “ON” segment ...
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NJU6535 (3) 1/4 Duty, 1/2 Bias Driving COM 1 COM 2 COM 3 COM 4 “OFF” segment output correspond to COM , COM , COM and COM “ON” segment output correspond to COM 1 “ON” segment output ...
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Duty, 1/3 Bias Driving COM 1 COM 2 COM 3 COM 4 “OFF” segment output correspond to COM , COM , COM and COM “ON” segment output correspond to COM 1 “ON” segment output correspond ...
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NJU6535 # APPLICATION CIRCUIT (1) 1/3 Duty, 1/2 Bias Driving (Not use E.V.R.) CPU * The rising time of Power source voltage at Power on and the falling time at Power off must ...
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The rising time of Power source voltage at Power on and the falling time at Power off must keep over than 1 mS because of Voltage detection type Reset circuit operation terminal requires external pull-up resistor connecting ...
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NJU6535 MEMO - 30 - [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of ...