ATMEGA48-20MMH Atmel, ATMEGA48-20MMH Datasheet - Page 85

• Manufacturer Part Number: ATMEGA48-20MMH
• Description: MCU AVR 4KB FLASH 20MHZ 28QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA48-20MMH

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Processor Series: ATMEGA48x
• Core: AVR8
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 16 MHz
• Operating Supply Voltage: 2.7 V to 5.5 V
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2545S–AVR–07/10
Table 13-10. Overriding Signals for Alternate Functions PD7..PD4
Table 13-11. Overriding Signals for Alternate Functions in PD3..PD0
Signal
Name
PUOE
PUO
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Signal
Name
PUOE
PUO
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
PD7/AIN1
/PCINT23
0
0
0
0
0
0
PCINT23 • PCIE2
1
PCINT23 INPUT
AIN1 INPUT
PD3/OC2B/INT1/
PCINT19
0
0
0
0
OC2B ENABLE
OC2B
INT1 ENABLE +
PCINT19 • PCIE2
1
PCINT19 INPUT
INT1 INPUT
–
PD6/AIN0/
OC0A/PCINT22
0
0
0
0
OC0A ENABLE
OC0A
PCINT22 • PCIE2
1
PCINT22 INPUT
AIN0 INPUT
PD2/INT0/
PCINT18
0
0
0
0
0
0
INT0 ENABLE +
PCINT18 • PCIE1
1
PCINT18 INPUT
INT0 INPUT
–
PD5/T1/OC0B/
PCINT21
0
0
0
0
OC0B ENABLE
OC0B
PCINT21 • PCIE2
1
PCINT21 INPUT
T1 INPUT
–
PD1/TXD/
PCINT17
TXEN
0
TXEN
1
TXD
PCINT17 • PCIE2
1
PCINT17 INPUT
–
TXEN
ATmega48/88/168
PD4/XCK/
T0/PCINT20
0
0
0
0
UMSEL
XCK OUTPUT
PCINT20 • PCIE2
1
PCINT20 INPUT
XCK INPUT
T0 INPUT
–
PD0/RXD/
PCINT16
RXEN
PORTD0 • PUD
RXEN
0
0
0
PCINT16 • PCIE2
1
PCINT16 INPUT
RXD
–
85