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HT66F40 Datasheet(PDF) 10 Page - Holtek Semiconductor Inc |
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HT66F40 Datasheet(HTML) 10 Page - Holtek Semiconductor Inc |
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10 / 224 page  Pin Name Function OP I/T O/T Pin-Shared Mapping PINT Peripheral Interrupt PRM0 ST ¾ PC3 or PC4 PCK Peripheral Clock output PRM0 ¾ CMOS PC2 or PC5 SDI SPI Data input PRM0 ST ¾ PA6 or PD2 or PB7 SDO SPI Data output PRM0 ¾ CMOS PA5 or PD3 or PB6 SCS SPI Slave Select PRM0 ST CMOS PB5 or PD0 or PD7 SCK SPI Serial Clock PRM0 ST CMOS PA7 or PD1 or PD6 SCL I 2C Clock PRM0 ST NMOS PA7 or PD1 or PD6 SDA I 2C Data PRM0 ST NMOS PA6 or PD2 or PB7 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 Power supply * ¾ PWR ¾¾ AVDD ADC power supply * ¾ PWR ¾¾ VSS Ground ** ¾ PWR ¾¾ AVSS ADC ground ** ¾ PWR ¾¾ Note: I/T: Input type; O/T: Output type OP: Optional by configuration option (CO) or register option PWR: Power; CO: Configuration option; ST: Schmitt Trigger input CMOS: CMOS output; NMOS: NMOS output SCOM: Software controlled LCD COM; AN: Analog input pin HXT: High frequency crystal oscillator LXT: Low frequency crystal oscillator *: VDD is the device power supply while AVDD is the ADC power supply. The AVDD pin is bonded together internally with VDD. **: VSS is the device ground pin while AVSS is the ADC ground pin. The AVSS pin is bonded together internally with VSS. As the Pin Description Summary table applies to the package type with the most pins, not all of the above listed pins may be present on package types with smaller numbers of pins. HT66F20/HT66F30/HT66F40/HT66F50/HT66F60 Rev. 1.00 10 November 3, 2009 |
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