AT90PWM1 datasheet(4/20 Pages) ATMEL

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4378CS–AVR–09/08

AT90PWM1

3.1

Pin Descriptions

Table 3-1.

Pin out description

QFN32

S024 Pin Number

Mnemonic

Type

Name, Function & Alternate Function

GND

Power

Ground: 0V reference

AGND

Power

Analog Ground: 0V reference for analog part

VCC

power

Power Supply:

AVCC

Power

Analog Power Supply: This is the power supply voltage for analog

part

For a normal use this pin must be connected.

AREF

Power

Analog Reference : reference for analog converter . This is the

reference voltage of the A/D converter. As output, can be used by

external analog

PBO

I/O

MISO (SPI Master In Slave Out)

PSCOUT20 output

PB1

I/O

MOSI (SPI Master Out Slave In)

PSCOUT21 output

PB2

I/O

ADC5 (Analog Input Channel5 )

INT1

PB3

I/O

AMP0- (Analog Differential Amplifier 0 Input Channel )

PB4

I/O

AMP0+ (Analog Differential Amplifier 0 Input Channel )

PB5

I/O

ADC6 (Analog Input Channel 6)

INT 2

PB6

I/O

ADC7 (Analog Input Channel 7)

ICP1B (Timer 1 input capture alternate input)

PSCOUT11 output

PB7

I/O

PSCOUT01 output

ADC4 (Analog Input Channel 4)

SCK (SPI Clock)

PD0

I/O

PSCOUT00 output

XCK (UART Transfer Clock)

SS_A (Alternate SPI Slave Select)

PD1

I/O

PSCIN0 (PSC 0 Digital Input )

CLKO (System Clock Output)

PD2

I/O

PSCIN2 (PSC 2 Digital Input)

OC1A (Timer 1 Output Compare A)

MISO_A (Programming & alternate SPI Master In Slave Out)

PD3

I/O

TXD (Dali/UART Tx data)

OC0A (Timer 0 Output Compare A)

SS (SPI Slave Select)

MOSI_A (Programming & alternate Master Out SPI Slave In)

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