Datasheet

ManualsBrandsMICROCHIP TECHNOLOGY ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller TLLGA 48 (5.5x5.5) 32-Bit 50 MHz I/O number 36

11

32142D–06/2013

ATUC64/128/256L3/4U

39 51 PA17 17 VDDIO

Normal

I/O (TWI)

TC0-A1

USART2-

CTS

TWIMS1-

TWD

PWMA-

PWMA[17]

CAT-SMP CAT-DIS

CAT-

CSB[8]

41 53 PA18 18 VDDIO

Normal

I/O

ADCIFB-

AD[4]

TC0-B1

GLOC-

IN[4]

PWMA-

PWMA[18]

CAT-

SYNC

EIC-

EXTINT[5]

CAT-

CSB[0]

40 52 PA19 19 VDDIO

Normal

I/O

ADCIFB-

AD[5]

TC0-A2

TWIMS1-

TWALM

PWMA-

PWMA[19]

SCIF-

GCLK_IN[

0]

CAT-SYNC

CAT-

CSA[10]

25 33 PA20 20 VDDIN

Normal

I/O

USART2-

TXD

TC0-A1

GLOC-

IN[3]

PWMA-

PWMA[20]

SCIF-

RC32OUT

CAT-

CSA[12]

24 32 PA21 21 VDDIN

Normal

I/O (TWI,

5V

tolerant,

SMBus)

USART2-

RXD

TWIMS0-

TWD

TC0-B1

ADCIFB-

TRIGGER

PWMA-

PWMA[21]

PWMA-

PWMAOD

[21]

SCIF-

GCLK[0]

CAT-

SMP

9 13 PA22 22 VDDIO

Normal

I/O

USART0-

CTS

USART2-

CLK

TC0-B2 CAT-SMP

PWMA-

PWMA[22]

ACIFB-

ACBN[2]

CAT-

CSB[10]

6 8 PB00 32 VDDIO

Normal

I/O

USART3-

TXD

ADCIFB-

ADP[0]

SPI-

NPCS[0]

TC0-A1

PWMA-

PWMA[23]

ACIFB-

ACAP[2]

TC1-A0

CAT-

CSA[9]

20 PB01 33 VDDIO

High-

drive I/O

USART3-

RXD

ADCIFB-

ADP[1]

SPI-SCK TC0-B1

PWMA-

PWMA[24]

TC1-A1

CAT-

CSB[9]

7 9 PB02 34 VDDIO

Normal

I/O

USART3-

RTS

USART3-

CLK

SPI-MISO TC0-A2

PWMA-

PWMA[25]

ACIFB-

ACAN[2]

SCIF-

GCLK[1]

CAT-

CSB[11]

8 10 PB03 35 VDDIO

Normal

I/O

USART3-

CTS

USART3-

CLK

SPI-MOSI TC0-B2

PWMA-

PWMA[26]

ACIFB-

ACBP[2]

TC1-A2

CAT-

CSA[11]

21 29 PB04 36 VDDIN

Normal

I/O (TWI,

5V

tolerant,

SMBus)

TC1-A0

USART1-

RTS

USART1-

CLK

TWIMS0-

TWALM

PWMA-

PWMA[27]

PWMA-

PWMAOD

[27]

TWIMS1-

TWCK

CAT-

CSA[14]

20 28 PB05 37 VDDIN

Normal

I/O (TWI,

5V

tolerant,

SMBus)

TC1-B0

USART1-

CTS

USART1-

CLK

TWIMS0-

TWCK

PWMA-

PWMA[28]

PWMA-

PWMAOD

[28]

SCIF-

GCLK[3]

CAT-

CSB[14]

30 42 PB06 38 VDDIO

Normal

I/O

TC1-A1

USART3-

TXD

ADCIFB-

AD[6]

GLOC-

IN[2]

PWMA-

PWMA[29]

ACIFB-

ACAN[3]

EIC-

NMI

(EXTINT[0])

CAT-

CSB[13]

31 43 PB07 39 VDDIO

Normal

I/O

TC1-B1

USART3-

RXD

ADCIFB-

AD[7]

GLOC-

IN[1]

PWMA-

PWMA[30]

ACIFB-

ACAP[3]

EIC-

EXTINT[1]

CAT-

CSA[13]

32 44 PB08 40 VDDIO

Normal

I/O

TC1-A2

USART3-

RTS

ADCIFB-

AD[8]

GLOC-

IN[0]

PWMA-

PWMA[31]

CAT-

SYNC

EIC-

EXTINT[2]

CAT-

CSB[12]

29 39 PB09 41 VDDIO

Normal

I/O

TC1-B2

USART3-

CTS

USART3-

CLK

PWMA-

PWMA[32]

ACIFB-

ACBN[1]

EIC-

EXTINT[3]

CAT-

CSB[15]

23 31 PB10 42 VDDIN

Normal

I/O

TC1-CLK0

USART1-

TXD

USART3-

CLK

GLOC-

OUT[1]

PWMA-

PWMA[33]

SCIF-

GCLK_IN[

1]

EIC-

EXTINT[4]

CAT-

CSB[16]

44 56 PB11 43 VDDIO

Normal

I/O

TC1-CLK1

USART1-

RXD

ADCIFB-

TRIGGER

PWMA-

PWMA[34]

CAT-

VDIVEN

EIC-

EXTINT[5]

CAT-

CSA[16]

5 7 PB12 44 VDDIO

Normal

I/O

TC1-CLK2

TWIMS1-

TWALM

CAT-

SYNC

PWMA-

PWMA[35]

ACIFB-

ACBP[3]

SCIF-

GCLK[4]

CAT-

CSA[15]

15 22 PB13 45 VDDIN USB I/O USBC-DM

USART3-

TXD

TC1-A1

PWMA-

PWMA[7]

ADCIFB-

ADP[1]

SCIF-

GCLK[5]

CAT-

CSB[2]

16 23 PB14 46 VDDIN USB I/O USBC-DP

USART3-

RXD

TC1-B1

PWMA-

PWMA[24]

SCIF-

GCLK[5]

CAT-

CSB[9]

Table 3-1. GPIO Controller Function Multiplexing