ATMEGA16U2-MU Atmel, ATMEGA16U2-MU Datasheet - Page 76

• Manufacturer Part Number: ATMEGA16U2-MU
• Description: MCU AVR 16K FLASH USB 32-VQFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA16U2-MU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 16KB (8K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Core: AVR8
• Processor Series: ATMEGA16x
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 16 MHz
• Data Ram Size: 1.25 KB
• Data Rom Size: 512 B
• Number Of Programmable I/os: 22
• Number Of Timers: 2
• Mounting Style: SMD/SMT
• Height: 0.95 mm
• Interface Type: SPI, UART
• Length: 5 mm
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Width: 5 mm
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details

7799D–AVR–11/10
.Table 12-4
shown in
MISO signal, while MOSI is divided into SPI MSTR OUTPUT and SPI SLAVE INPUT..
Table 12-4.
Table 12-5.
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Figure 12-5 on page
PB7/OC0A/OC1C/
PCINT7
0
0
0
0
OC0A/OC1C ENABLE
OC0A/OC1C
PCINT7 • PCIE0
1
PCINT7 INPUT
–
PB3/MISO/PCINT3/
PDO
SPE • MSTR
PORTB3 • PUD
SPE • MSTR
0
SPE • MSTR
SPI SLAVE OUTPUT
PCINT3 • PCIE0
1
SPI MSTR INPUT
PCINT3 INPUT
–
and
Overriding Signals for Alternate Functions in PB7..PB4
Overriding Signals for Alternate Functions in PB3..PB0
Table 12-5
relate the alternate functions of Port B to the overriding signals
72. SPI MSTR INPUT and SPI SLAVE OUTPUT constitute the
PB2/MOSI/PCINT2/
PDI
SPE • MSTR
PORTB2 • PUD
SPE • MSTR
0
SPE • MSTR
SPI MSTR OUTPUT
PCINT2 • PCIE0
1
SPI SLAVE INPUT
PCINT2 INPUT
–
PCINT6 • PCIE0
PB6/PCINT6
0
0
0
0
0
0
1
PCINT6 INPUT
–
ATmega8U2/16U2/32U2
PB5/PCINT5
0
0
0
0
0
0
PCINT5 • PCIE0
1
PCINT5 INPUT
–
PB1/SCK/
PCINT1
SPE • MSTR
PORTB1 • PUD
SPE • MSTR
0
SPE • MSTR
SCK OUTPUT
PCINT1 • PCIE0
1
SCK INPUT
PCINT1 INPUT
–
PB4/T1/PCINT4
0
0
0
0
0
0
PCINT4 • PCIE0
1
PCINT4 INPUT
T1 INPUT
–
PB0/SS/PCINT0
SPE • MSTR
PORTB0 • PUD
SPE • MSTR
0
0
0
PCINT0 • PCIE0
1
SPI SS
PCINT0 INPUT
–
76