Datasheet

5
7734Q–AVR–02/12
AT90PWM81/161
Table 2-1. Functions description.
MNEMONIC NAME, FUNCTION & ALTERNATE FUNCTION
GND Ground: 0V reference
AGND Analog Ground: 0V reference for analog part
V
CC
Power Supply
AV
CC
Analog Power Supply: This is the power supply voltage for analog part
For a normal use this pin must be connected.
AREF
Analog Reference: Reference for analog converter. This is the reference voltage of the A/D
converter. As output, can be used by external analog
CLKO System Clock Output
RESET# OCD
Reset Input
On Chip Debug I/O
XTAL1 XTAL Input
XTAL2 XTAL Output
MISO SPI Master In Slave Out
MOSI SPI Master Out Slave In
SCK SPI Clock
SS SPI Slave Select
INTn External interrupt n
Tn Timer n clock input
PSCOUTxn PSCx output n
PSCINx PSCx Digital Input
PSCOUT0n PSC reduced output n
PSCINr PSC reduced Digital Input
ACMPn Analog Comparator n Positive Input
ACMPMn Analog Comparator n Negative Input
ACMPM Negative input for analog comparators
ACOMPn_OUT Analog Comparator n Output
AMPn- Analog Differential Amplifier n Input Channel
AMPn+ Analog Differential Amplifier n Input Channel
ADCn Analog Converter Input Channel n