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UPSD323X Datasheet(PDF) 15 Page - STMicroelectronics |
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UPSD323X Datasheet(HTML) 15 Page - STMicroelectronics |
15 / 176 page 15/176 µPSD323X P4.3 PWM0 27 I/O General I/O port pin 8-bit Pulse Width Modulation output 0 P4.4 PWM1 25 I/O General I/O port pin 8-bit Pulse Width Modulation output 1 P4.5 PWM2 23 I/O General I/O port pin 8-bit Pulse Width Modulation output 2 P4.6 PWM3 19 I/O General I/O port pin 8-bit Pulse Width Modulation output 3 P4.7 PWM4 18 I/O General I/O port pin Programmable 8-bit Pulse Width modulation output 4 USB- 8 I/O USB Pin Pull-up resistor required (2k Ω for 3V devices, 7.5kΩ for 5V devices) for all devices, with or without USB function. USB+ 10 I/O USB Pin AVREF 70 O Reference Voltage input for ADC RD_ 65 O READ signal, external bus WR_ 62 O WRITE signal, external bus PSEN_ 63 O PSEN signal, external bus ALE 4 O Address Latch signal, external bus RESET_ 68 I Active low RESET input XTAL1 48 I Oscillator input pin for system clock XTAL2 49 O Oscillator output pin for system clock PA0 35 I/O General I/O port pin 1. PLD Macro-cell outputs 2. PLD inputs 3. Latched Address Out (A0-A7) 4. Peripheral I/O Mode PA1 34 I/O General I/O port pin PA2 32 I/O General I/O port pin PA3 28 I/O General I/O port pin PA4 26 I/O General I/O port pin PA5 24 I/O General I/O port pin PA6 22 I/O General I/O port pin PA7 21 I/O General I/O port pin Port Pin Signal Name Pin No. In/Out Function Basic Alternate |
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