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ST7DALI Datasheet(PDF) 7 Page - STMicroelectronics |
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ST7DALI Datasheet(HTML) 7 Page - STMicroelectronics |
7 / 141 page ST7DALI 7/141 PIN DESCRIPTION (Cont’d) Legend / Abbreviations for Table 1: Type: I = input, O = output, S = supply In/Output level: CT= CMOS 0.3VDD/0.7VDD with input trigger Output level: HS = 20mA high sink (on N-buffer only) Port and control configuration: – Input: float = floating, wpu = weak pull-up, int = interrupt, ana = analog – Output: OD = open drain, PP = push-pull The RESET configuration of each pin is shown in bold which is valid as long as the device is in reset state. Table 1. Device Pin Description Pin No. Pin Name Level Port / Control Main Function (after reset) Alternate Function Input Output 1VSS S Ground 2VDD S Main power supply 3 RESET I/O CT XX Top priority non maskable interrupt (active low) 4 PB0/AIN0/SS/ BLEXT I/O CT X ei3 XX X Port B0 ADC Analog Input 0 or SPI Slave Select (active low)/ EEPROM external bitline Caution: No negative current injection allowed on this pin. For details, refer to section 13.2.2 on page 101 5 PB1/AIN1/SCK/ CGEXT I/O CT X XX X Port B1 ADC Analog Input 1 or SPI Se- rial Clock / EEPROM external control gate Caution: No negative current injection allowed on this pin. For details, refer to section 13.2.2 on page 101 6 PB2/AIN2/MISO I/O CT X XX X Port B2 ADC Analog Input 2 or SPI Master In/ Slave Out Data 7 PB3/AIN3/MOSI/ STC_ON I/O CT X ei2 XX X Port B3 ADC Analog Input 3 or SPI Master Out / Slave In Data/ Serial Test Contoller Enable 8 PB4/AIN4/CLKIN I/O CT X XX X Port B4 ADC Analog Input 4 or Exter- nal clock input 9 PB5/AIN5 I/O CT X XX X Port B5 ADC Analog Input 5 10 PB6/AIN6/DALIIN I/O CT X XX X Port B6 ADC Analog Input 6 or DALI Input 1 |
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