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LC74772V Arkusz danych(PDF) 4 Page - ON Semiconductor |
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LC74772V Arkusz danych(HTML) 4 Page - ON Semiconductor |
4 / 17 page No. 5159-4/17 LC74772V Pin Functions PinNo. Symbol Function Description 1 VSS Ground Ground connection 2 OSCIN LC oscillator Connections for the coil and capacitor that form the oscillator that generates the character 3 OSCOUT output horizontal dot clock. 4 CTRL1 Clock input control Control input that switches between LC oscillator mode and clock input mode Low: LC oscillator mode, high: clock input mode 5 TESTIN Test control input Test mode control input (The IC operates in test mode when this input is high.) 6 CS Enable input Serial data input enable input Low: active (This input has hysteresis characteristics.) 7 SCLK Clock input Serial data input clock input (This input has hysteresis characteristics.) 8 SIN Data input Serial data input (This input has hysteresis characteristics.) 9 CKOUT Clock output LC oscillator clock monitor output This signal is output when RST is low. 10 BLK4 Blanking signal output Blanking signal output (system 2) Functions as the system 4 blanking data signal output in 4-system mode. 11 CHA4 Character data output Character data signal output (system 2) Functions as the system 4 character data signal output in 4-system mode. 12 NC Unused Must be left open or tied to ground in normal operation. 13 NC Unused Must be left open or tied to ground in normal operation. 14 BLK3 Blanking signal output Blanking signal output (system 1) Functions as the system 3 blanking data signal output in 4-system mode. 15 CHA3 Character data output Character data signal output (system 1) Functions as the system 3 character data signal output in 4-system mode. 16 BLANK Blanking signal output Blanking signal output (blanking signal for RGB output) Functions as the system 2 blanking data signal output in 4-system mode. 17 R Character data output Character data (R) signal output Functions as the system 2 character data signal output in 4-system mode. 18 G Character data output Character data (G) signal output Functions as the system 1 blanking data signal output in 4-system mode. 19 B Character data output Character data (B) signal output Functions as the system 1 character data signal output in 4-system mode. 20 OUTMOD Output control input Control input that switches between RGB output and 4-system output Low: RGB output, high 4-system output 21 VSYNC Vertical synchronizing Vertical synchronizing signal input (This input has hysteresis characteristics.) signal input 22 HSYNC Horizontal synchronizing Horizontal synchronizing signal input (This input has hysteresis characteristics.) signal input 23 RST Reset input System reset signal input (This input has hysteresis characteristics.) 24 VDD Power supply Power supply connection (+5 V) Note: 1. Built-in pull-up resistors can be specified for inclusion in the CS (pin 6), SCLK (pin 7), SIN (pin 8), and RST (pin 23) pins as mask options. 2. In clock input mode (when CTRL1 is high), the function that holds the OSCIN (pin 2) pin high during an oscillator reset is stopped. |
Podobny numer części - LC74772V |
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Podobny opis - LC74772V |
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