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HT82A525R Scheda tecnica(PDF) 9 Page - Holtek Semiconductor Inc |
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HT82A525R Scheda tecnica(HTML) 9 Page - Holtek Semiconductor Inc |
9 / 71 page Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions IOL2 I/O Port Sink Current for PF0, PF1 ¾ VOL=0.1VDD,VDD=5V 25 ¾ mA IOH1 I/O Port Source Current for PA, PB, PC, PD, PE ¾ VOH=0.9VDDIO, VDDIO=3.3V -2 -5 ¾ mA IOH2 I/O Port Source Current for PF0, PF1 5V VOH=0.9VDD -2 -5 ¾ mA RPH1 Pull-high Resistance for PA, PB, PC, PD, PE ¾ VDDIO=3.3V 40 60 80 k W RPH2 Pull-high Resistance for PF0, PF1 5V ¾ 10 30 50 k W VLVR Low Voltage Reset Voltage ¾¾ 2.0 2.2 2.4 V ILCD_BIAS VDDIO/2 Bias Current for LCD, VDDIO=5V 5V LCDC. RSEL[1:0]=00 17.5 25.0 32.5 mA LCDC. RSEL[1:0]=01 35 50 65 mA LCDC. RSEL[1:0]=10 70 100 130 mA LCDC. RSEL[1:0]=11 140 200 260 mA VCOM VDDIO/2 Voltage for LCD COM Port, VDDIO=5V 5V No load 0.475 0.500 0.525 VDDIO A.C. Characteristics Ta=25 °C Symbol Parameter Test Conditions Min. Typ. Max. Unit VDD Conditions fSYS1 System Clock (Crystal OSC) 5V ¾ 6000 ¾ 12000 kHz fSYS2 System Clock (HIRC OSC) 4.5V~ 5.5V ¾ 11640 12000 12360 kHz fTIMER Timer I/P Frequency (TMR0/TMR1) 5V ¾ 0 ¾ fSYS kHz tWDTOSC Watchdog Oscillator Period 5V ¾ 32 65 130 ms tRES External Reset Low Pulse Width ¾¾ 1 ¾¾ ms tSST System Start-up Timer Period ¾ Power-up, reset or wake-up from HALT ¾ 1024 ¾ *tSYS tINT Interrupt Pulse Width ¾¾ 1 ¾¾ ms fPCLK Parallel Frequency 5V ¾ 2 ¾ 5 MHz Note: *tSYS=1/fSYS *fT1=fSYS/4 Rev. 1.80 9 March 11, 2016 HT82A525R I/O Type USB 8-Bit OTP MCU with SPI |
Codice articolo simile - HT82A525R_16 |
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Descrizione simile - HT82A525R_16 |
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