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ATUC256L3U Datasheet(PDF) 10 Page - ATMEL Corporation |
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ATUC256L3U Datasheet(HTML) 10 Page - ATMEL Corporation |
10 / 45 page 10 32142DS–06/2013 ATUC64/128/256L3/4U Peripheral Multiplexing on I/O lines 3.1.1 Multiplexed Signals Each GPIO line can be assigned to one of the peripheral functions. The following table describes the peripheral signals multiplexed to the GPIO lines. Table 3-1. GPIO Controller Function Multiplexing 48- pin 64- pin Pin Name G PI O Supply Pad Type GPIO Function ABCD E F GH 11 15 PA00 0 VDDIO Normal I/O USART0- TXD USART1- RTS SPI- NPCS[2] PWMA- PWMA[0] SCIF- GCLK[0] CAT- CSA[2] 14 18 PA01 1 VDDIO Normal I/O USART0- RXD USART1- CTS SPI- NPCS[3] USART1- CLK PWMA- PWMA[1] ACIFB- ACAP[0] TWIMS0- TWALM CAT- CSA[1] 13 17 PA02 2 VDDIO High- drive I/O USART0- RTS ADCIFB- TRIGGER USART2- TXD TC0-A0 PWMA- PWMA[2] ACIFB- ACBP[0] USART0- CLK CAT- CSA[3] 4 6 PA03 3 VDDIO Normal I/O USART0- CTS SPI- NPCS[1] USART2- TXD TC0-B0 PWMA- PWMA[3] ACIFB- ACBN[3] USART0- CLK CAT- CSB[3] 28 38 PA04 4 VDDIO Normal I/O SPI-MISO TWIMS0- TWCK USART1- RXD TC0-B1 PWMA- PWMA[4] ACIFB- ACBP[1] CAT- CSA[7] 12 16 PA05 5 VDDIO Normal I/O (TWI) SPI-MOSI TWIMS1- TWCK USART1- TXD TC0-A1 PWMA- PWMA[5] ACIFB- ACBN[0] TWIMS0- TWD CAT- CSB[7] 10 14 PA06 6 VDDIO High- drive I/O, 5V tolerant SPI-SCK USART2- TXD USART1- CLK TC0-B0 PWMA- PWMA[6] EIC- EXTINT[2] SCIF- GCLK[1] CAT- CSB[1] 19 PA07 7 VDDIO Normal I/O (TWI) SPI- NPCS[0] USART2- RXD TWIMS1- TWALM TWIMS0- TWCK PWMA- PWMA[7] ACIFB- ACAN[0] EIC- NMI (EXTINT[0]) CAT- CSB[2] 3 3 PA08 8 VDDIO High- drive I/O USART1- TXD SPI- NPCS[2] TC0-A2 ADCIFB- ADP[0] PWMA- PWMA[8] CAT- CSA[4] 2 2 PA09 9 VDDIO High- drive I/O USART1- RXD SPI- NPCS[3] TC0-B2 ADCIFB- ADP[1] PWMA- PWMA[9] SCIF- GCLK[2] EIC- EXTINT[1] CAT- CSB[4] 46 62 PA10 10 VDDIO Normal I/O TWIMS0- TWD TC0-A0 PWMA- PWMA[10] ACIFB- ACAP[1] SCIF- GCLK[2] CAT- CSA[5] 27 35 PA11 11 VDDIN Normal I/O PWMA- PWMA[11] 47 63 PA12 12 VDDIO Normal I/O USART2- CLK TC0-CLK1 CAT-SMP PWMA- PWMA[12] ACIFB- ACAN[1] SCIF- GCLK[3] CAT- CSB[5] 26 34 PA13 13 VDDIN Normal I/O GLOC- OUT[0] GLOC- IN[7] TC0-A0 SCIF- GCLK[2] PWMA- PWMA[13] CAT-SMP EIC- EXTINT[2] CAT- CSA[0] 36 48 PA14 14 VDDIO Normal I/O ADCIFB- AD[0] TC0-CLK2 USART2- RTS CAT-SMP PWMA- PWMA[14] SCIF- GCLK[4] CAT- CSA[6] 37 49 PA15 15 VDDIO Normal I/O ADCIFB- AD[1] TC0-CLK1 GLOC- IN[6] PWMA- PWMA[15] CAT- SYNC EIC- EXTINT[3] CAT- CSB[6] 38 50 PA16 16 VDDIO Normal I/O ADCIFB- AD[2] TC0-CLK0 GLOC- IN[5] PWMA- PWMA[16] ACIFB- ACREFN EIC- EXTINT[4] CAT- CSA[8] |
Similar Part No. - ATUC256L3U_14 |
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Similar Description - ATUC256L3U_14 |
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