ATMEGA649-16MI Atmel, ATMEGA649-16MI Datasheet - Page 71

• Manufacturer Part Number: ATMEGA649-16MI
• Description: IC AVR MCU FLASH 64K 5V 64QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA649-16MI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: SPI, UART/USART, USI
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 64KB (32K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 4K 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: 64-MLF®, 64-QFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

13.3.3
2552K–AVR–04/11
Alternate Functions of Port C
Table 13-8.
The Port C has an alternate function as SEG for the LCD Controller.
Table 13-9.
The alternate pin configuration is as follows:
• SEG – Port D, Bit 7:0
SEG, LCD front plane 5/5, 6/6, 11/7-16/12.
Table 13-10
shown in
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
PTOE
DIEOE
DIEOV
DI
AIO
Port Pin
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
Figure 13-5 on page
and
Overriding Signals for Alternate Functions in PB3:PB0
Port C Pins Alternate Functions (SEG refers to 100-pin/64-pin pinout)
PB3/MISO/
PCINT11
SPE • MSTR
PORTB3 • PUD
SPE • MSTR
0
SPE • MSTR
SPI SLAVE
OUTPUT
–
PCINT11 •
PCIE1
1
PCINT11 INPUT
SPI MSTR
INPUT
–
Alternate Function
SEG (LCD Front Plane 5/5)
SEG (LCD Front Plane 6/6)
SEG (LCD Front Plane 11/7)
SEG (LCD Front Plane 12/8)
SEG (LCD Front Plane 13/9)
SEG (LCD Front Plane14/10)
SEG (LCD Front Plane 15/11)
SEG (LCD Front Plane 16/12)
Table 13-11
65.
relate the alternate functions of Port C to the overriding signals
PB2/MOSI/
PCINT10
SPE • MSTR
PORTB2 • PUD
SPE • MSTR
0
SPE • MSTR
SPI MSTR
OUTPUT
–
PCINT10 •
PCIE1
1
PCINT10 INPUT
SPI SLAVE
INPUT
–
ATmega329/3290/649/6490
PB1/SCK/
PCINT9
SPE • MSTR
PORTB1 • PUD
SPE • MSTR
0
SPE • MSTR
SCK OUTPUT
–
PCINT9 • PCIE1
1
PCINT9 INPUT
SCK INPUT
–
PB0/SS/
PCINT8
SPE • MSTR
PORTB0 • PUD
SPE • MSTR
0
0
0
–
PCINT8 • PCIE1
1
PCINT8 INPUT
SPI SS
–
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