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HT66FB50 Datasheet(PDF) 11 Page - Holtek Semiconductor Inc |
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HT66FB50 Datasheet(HTML) 11 Page - Holtek Semiconductor Inc |
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11 / 26 page  Pin Name Function OP I/T O/T Pin-Shared Mapping C0X, C1X Comparator 0, 1 output CP0C CP1C PRM0 ¾ CMOS PA0, PA5 or PF0, PF1 or PG0, PG1 TCK0, TCK1 TM0, TM1 input PRM1 ST ¾ PA2, PA4, ¾, ¾ TP0_0, TP0_1 TM0 I/O TMPC0 PRM2 ST CMOS PA0, ¾, or PC6, PD5 TP1A TM1 I/O TMPC0 PRM2 ST CMOS PA1 or PC7 TP1B_0~ TP1B_2 TM1 I/O TMPC0 PRM2 ST CMOS PC0, PC1, ¾ or ¾, ¾, PE4 TP2_1 TM2 I/O TMPC1 PRM2 ST CMOS ¾ or PD4 TP3_0, TP3_1 TM3 I/O TMPC1 PRM2 ST CMOS ¾, ¾, or PE5, PE3 INT0~INT2 External interrupt 0~2 PRM1 ST ¾ PA3, PA4, ¾ or ¾, ¾, PE2, PE0, PE1, ¾,or PE6, PE7, ¾ PINT Peripheral Interrupt *** PRM0 ST ¾¾ or PC4 PCK Peripheral Clock Output *** PRM0 ¾ CMOS ¾ or PC5 SDI SPI data input *** PRM0 ST ¾ PA6 or PD2 SDO SPI data output *** PRM0 ¾ CMOS PA5 or PB6 or PD1 SCS SPI slave select *** PRM0 ST CMOS PB5 or PD0 SCK SPI serial clock *** PRM0 ST CMOS PA7 or PD3 SCL I 2 C clock PRM0 ST NMOS PA7 SDA I 2 C data PRM0 ST NMOS PA6 SCOM0~ SCOM3 SCOM0~SCOM3 SCOMC ¾ SCOM PC0, PC1, PC6, PC7 OSC1 HXT/ERC pin CO HXT ¾ PB1 OSC2 HXT pin CO ¾ HXT PB2 XT1 LXT pin CO LXT ¾ PB3 XT2 LXT pin CO ¾ LXT PB4 RES Reset input CO ST ¾ PB0 VDD MCU power supply * ¾ PWR ¾¾ AVDD A/D converter power supply * ¾ PWR ¾¾ VSS MCU ground ** ¾ PWR ¾¾ AVSS A/D converter ground ** ¾ PWR ¾¾ UDP USB D+ pin ¾ ST CMOS ¾ UDN USB D- pin ¾ ST CMOS ¾ V33O 3.3V regulator output pin ¾¾¾ ¾ VDDU USB power supply ¾ PWR ¾¾ VSSU USB ground ¾ PWR ¾¾ NC Not connected, can not be used ¾¾¾ ¾ HT66FB30/HT66FB40/HT66FB50/HT66FB60 Rev. 1.10 11 June 4, 2010 |
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Similar Description - HT66FB50 |
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