HT1625 - Topwaydisplay.com

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<strong>HT1625</strong> D.C. Characteristics Ta=25C Symbol Parameter Test Conditions V DD Conditions Min. Typ. Max. Unit V DD Operating Voltage 2.7 5.2 V I DD1 Operating Current 3V No load or LCD ON 155 310 A 5V On-chip RC oscillator 260 420 A I DD2 Operating Current 3V No load or LCD ON 150 310 A 5V Crystal oscillator 250 420 A I DD11 Operating Current 3V No load or LCD OFF 8 30 A 5V On-chip RC oscillator 20 60 A I DD22 Operating Current 3V No load or LCD OFF 20 A 5V Crystal oscillator 35 A I STB Standby Current 3V 1 12 A No load, Power down mode 5V 2 24 A V IL Input Low Voltage 3V 0 0.6 V DATA, WR, CS,RD 5V 0 1.0 V V IH Input High Voltage 3V 2.4 3 V DATA, WR, CS,RD 5V 4.0 5 V I OL1 BZ, BZ, IRQ 3V V OL =0.3V 0.9 1.8 mA 5V V OL =0.5V 1.7 3 mA I OH1 BZ, BZ 3V V OH =2.7V 0.9 1.8 mA 5V V OH =4.5V 1.7 3 mA I OL1 DATA 3V V OL =0.3V 0.9 1.8 mA 5V V OL =0.5V 1.7 3 mA I OH1 DATA 3V V OH =2.7V 0.9 1.8 mA 5V V OH =4.5V 1.7 3 mA I OL2 LCD Common Sink Current 3V V OL =0.3V 80 160 A 5V V OL =0.5V 180 360 A I OH2 LCD Common Source Current 3V V OH =2.7V 40 80 A 5V V OH =4.5V 90 180 A I OL3 LCD Segment Sink Current 3V V OL =0.3V 50 100 A 5V V OL =0.5V 120 240 A I OH3 LCD Segment Source Current 3V V OH =2.7V 30 60 A 5V V OH =4.5V 70 140 A R PH Pull-high Resistor 3V 100 200 300 k DATA, WR, CS,RD 5V 50 100 150 k Rev. 1.10 6 September 11, 2002
<strong>HT1625</strong> A.C. Characteristics Ta=25C Symbol f SYS1 f SYS2 f LCD1 f LCD2 System Clock System Clock Parameter LCD Frame Frequency LCD Frame Frequency V DD Test Conditions Conditions Min. Typ. Max. Unit 3V On-chip RC oscillator 22 32 40 kHz 5V 24 32 40 kHz 3V External clock source 32 kHz 5V 32 kHz 3V On-chip RC oscillator 44 64 80 Hz 5V 48 64 80 Hz 3V External clock source 64 Hz 5V 64 Hz t COM LCD Common Period n: Number of COM n/f LCD sec f CLK1 f CLK2 t CS Serial Data Clock (WR Pin) Serial Data Clock (RD Pin) Serial Interface Reset Pulse Width (Figure 3) 3V Duty cycle 50% 150 kHz 5V 300 kHz 3V Duty cycle 50% 75 kHz 5V 150 kHz CS 250 ns t CLK WR,RDInput Pulse Width (Figure 1) t r ,t f tsu t h t su1 t h1 Rise or Fall Time Serial Data Clock Width (Figure 1) Setup Time for DATA to WR, RD Clock Width (Figure 2) Hold Time for DATA to WR,RDClock Width (Figure 2) Setup Time for CS to WR, RDClock Width (Figure 3) Hold Time for CS to WR, RDClock Width (Figure 3) 3V Write mode 3.34 s Read mode 6.67 5V Write mode 1.67 Read mode 3.34 s 3V 5V 120 ns 3V 5V 120 ns 3V 5V 120 ns 3V 5V 100 ns 3V 5V 100 ns 9 4 4 , + JB JH 8 , , ' # / , J+ J+ , * 9 4 4 , + 8 ) 1, , ) 6 ) # JI K JD # 8 , , / , 8 , , / , Figure 1 Figure 2 + 5 # JI K JD J+ 5 8 , , / , 9 4 4 , + # 14 5 6 + ) 5 6 + 8 , , / , Figure 3 Rev. 1.10 7 September 11, 2002
Page 1 and 2: HT1625 RAM Mapping 648 LCD Controll
Page 3 and 4: HT1625 Pad Assignment 5 - / " ! 5 -
Page 5: HT1625 Pad Description Pad No. Pad
Page 9 and 10: HT1625 The following are the data m
Page 11 and 12: HT1625 Command mode (command code :
Page 13 and 14: HT1625 Name ID Command Code D/C Fun
Page 15: HT1625 Holtek Semiconductor Inc. (H

HT1625 - Topwaydisplay.com

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