AT32UC3B0128 datasheet(7/676 Pages) ATMEL

Part #	AT32UC3B0128

Description	32-bit AVR짰 Microcontroller

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Manufacturer	ATMEL [ATMEL Corporation]

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7

32059I–06/2010

AT32UC3B

Figure 4-2.

TQFP48 / QFN48 Pinout

Note:

On QFN packages, the exposed pad is not connected to anything.

4.2

Peripheral Multiplexing on I/O lines

4.2.1

Multiplexed signals

Each GPIO line can be assigned to one of 4 peripheral functions; A, B, C or D (D is only avail-

able for UC3Bx512 parts). The following table define how the I/O lines on the peripherals A, B,C

or D are multiplexed by the GPIO.

GNDANA

13

ADVREF

14

VDDANA

15

VDDOUT

16

VDDIN

17

VDDCORE

18

GND

19

PA09

20

PA10

21

PA11

22

PA12

23

VDDIO

24

GND

37

DP

38

DM

39

VBUS

40

VDDPLL

41

VDDCORE

42

PA24

43

PA25

44

PA26

45

PA27

46

RESET_N

47

VDDIO

48

Table 4-1.

GPIO Controller Function Multiplexing

TQFP48

/QFN48

TQFP64

/QFN64

GPIO Pin

Function A

Function B

Function C

Function D

(only for UC3Bx512)

3

PA00

GPIO 0

4

PA01

GPIO 1

5

PA02

GPIO 2

7

9

PA03

GPIO 3

ADC - AD[0]

PM - GCLK[0]

USBB - USB_ID

ABDAC - DATA[0]

8

10

PA04

GPIO 4

ADC - AD[1]

PM - GCLK[1]

USBB - USB_VBOF

ABDAC - DATAN[0]

9

11

PA05

GPIO 5

EIC - EXTINT[0]

ADC - AD[2]

USART1 - DCD

ABDAC - DATA[1]

10

12

PA06

GPIO 6

EIC - EXTINT[1]

ADC - AD[3]

USART1 - DSR

ABDAC - DATAN[1]

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