A000046 Arduino, A000046 Datasheet - Page 84
A000046
Manufacturer Part Number
A000046
Description
MCU, MPU & DSP Development Tools Uno
Manufacturer
Arduino
Series
-r
Type
MCUr
Specifications of A000046
Processor To Be Evaluated
ATmega328
Interface Type
USB, I2C, SPI
Dimensions
2.7 in x 2.1 in
Operating Supply Voltage
5 V
Contents
Board
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With/related Products
ATmega328
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8161D–AVR–10/09
(one)) to serve this function. The OC1A pin is also the output pin for the PWM mode timer
function.
PCINT1: Pin Change Interrupt source 1. The PB1 pin can serve as an external interrupt source.
• ICP1/CLKO/PCINT0 – Port B, Bit 0
ICP1, Input Capture Pin: The PB0 pin can act as an Input Capture Pin for Timer/Counter1.
CLKO, Divided System Clock: The divided system clock can be output on the PB0 pin. The
divided system clock will be output if the CKOUT Fuse is programmed, regardless of the
PORTB0 and DDB0 settings. It will also be output during reset.
PCINT0: Pin Change Interrupt source 0. The PB0 pin can serve as an external interrupt source.
Table 13-4
signals shown in
tute the MISO signal, while MOSI is divided into SPI MSTR OUTPUT and SPI SLAVE INPUT.
Table 13-4.
Notes:
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
1. INTRC means that one of the internal RC Oscillators are selected (by the CKSEL fuses),
EXTCK means that external clock is selected (by the CKSEL fuses)
and
PB7/XTAL2/
TOSC2/PCINT7
INTRC • EXTCK+
AS2
0
INTRC • EXTCK+
AS2
0
0
0
INTRC • EXTCK +
AS2 + PCINT7 •
PCIE0
(INTRC + EXTCK) •
AS2
PCINT7 INPUT
Oscillator Output
Overriding Signals for Alternate Functions in PB7..PB4
Table 13-5 on page 85
Figure 13-5 on page
(1)
PB6/XTAL1/
TOSC1/PCINT6
INTRC + AS2
0
INTRC + AS2
0
0
0
INTRC + AS2 +
PCINT6 • PCIE0
INTRC • AS2
PCINT6 INPUT
Oscillator/Clock
Input
ATmega48PA/88PA/168PA/328P
80. SPI MSTR INPUT and SPI SLAVE OUTPUT consti-
relate the alternate functions of Port B to the overriding
(1)
PB5/SCK/
PCINT5
SPE • MSTR
PORTB5 • PUD
SPE • MSTR
0
SPE • MSTR
SCK OUTPUT
PCINT5 • PCIE0
1
PCINT5 INPUT
SCK INPUT
–
PB4/MISO/
PCINT4
SPE • MSTR
PORTB4 • PUD
SPE • MSTR
0
SPE • MSTR
SPI SLAVE
OUTPUT
PCINT4 • PCIE0
1
PCINT4 INPUT
SPI MSTR INPUT
–
84
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