UPSD3233 参数 Datasheet PDF下载

uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV

Figure 3. TQFP52 Connections

41 P1.7/ADC3

40 P1.6/ADC2

44 RESET_

46 VREF

45 GND

52 PB0

51 PB1

50 PB2

49 PB3

48 PB4

47 PB5

43 PB6

PD1/CLKIN 1

PC7 2

JTAG TDO 3

JTAG TDI 4

USB–(1) 5

PC4/TERR_ 6

USB+ 7

VCC 8

GND 9

PC3/TSTAT 10

PC2/VSTBY 11

JTAG TCK 12

JTAG TMS 13

42 PB7

39 P1.5/ADC1

38 P1.4/ADC0

37 P1.3/TXD1

36 P1.2/RXD1

35 P1.1/T2X

34 P1.0/T2

33 VCC

32 XTAL2

31 XTAL1

30 P3.7/SCL1

29 P3.6/SDA1

28 P3.5/T1

27 P3.4/T0

P4.7/PWM4 14

P4.6/PWM3 15

P4.5/PWM2 16

P4.4/PWM1 17

P4.3/PWM0 18

GND 19

P4.2/DDC VSYNC 20

P4.1/DDC SCL 21

P4.0/DDC SDA 22

P3.0/RXD 23

P3.1/TXD 24

P3.2/EXINT0 25

P3.3/EXINT1 26

AI07423b

Note: 1. Pull-up resistor required on pin 5 (2kΩ for 3V devices, 7.5kΩ for 5V devices) for all 52-pin devices, with or without USB function.

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