UPSD3253B-40 Просмотр технического описания (PDF) - STMicroelectronics

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UPSD3253B-40

Flash Programmable System Devices with 8032 Microcontroller Core and 256Kbit SRAM

STMicroelectronics 

Figure 4. TQFP80 Connections

PD2 1

P3.3 /EXINT1 2

PD1 3

PD0, ALE 4

PC7 5

PC6 6

PC5 7

USB- 8(1)

PC4 9

USB+ 10

NC 11

VCC 12

GND 13

PC3 14

PC2 15

PC1 16

NC 17

P4.7 / PWM4 18

P4.6 / PWM3 19

PC0 20

µPSD325X DEVICES

60 P1.5 / ADC1

59 P1.4 / ADC0

58 P1.3 / TXD1

57 P2.3, A11

56 P1.2 / RXD1

55 P2.2, A10

54 P1.1 / T2X

53 P2.1, A9

52 P1.0 / T2

51 P2.0, A8

50 VCC

49 XTAL2

48 XTAL1

47 P0.7, AD7

46 P3.7 / SCL1

45 P0.6, AD6

44 P3.6 / SDA1

43 P0.5, AD5

42 P3.5 / T1

41 P0.4, AD4

AI05791B

Note: NC = Not Connected

1. Pull-up resistor required on pin 8 (2kΩ for 3V devices, 7.5kΩ for 5V devices) for all 82-pin devices, with or without USB function.

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