ATMEGA64A-MN Atmel, ATMEGA64A-MN Datasheet - Page 79

• Manufacturer Part Number: ATMEGA64A-MN
• Description: IC MCU AVR 64K FLASH 8QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA64A-MN

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, 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: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

13.3.3
8160C–AVR–07/09
Alternate Functions of Port C
In ATmega103 compatibility mode, Port C is output only. The Port C has an alternate function as
the address high byte for the External Memory Interface
Table 13-9.
Table 13-10
shown in
Table 13-10. Overriding Signals for Alternate Functions in PC7:PC4
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
Figure 13-5 on page
Port Pin
and
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
Port C Pins Alternate Functions
Table 13-11
PC7/A15
SRE • (XMM
0
SRE • (XMM<1)
1
SRE • (XMM<1)
A11
0
0
–
–
(1)
73.
relate the alternate functions of Port C to the overriding signals
<1)
Alternate Function
A15
A14
A13
A12
A11
A10
A9
A8
PC6/A14
SRE • (XMM<2)
0
SRE • (XMM<2)
1
SRE • (XMM<2)
A10
0
0
–
–
PC5/A13
SRE • (XMM<3)
0
SRE • (XMM<3)
1
SRE • (XMM<3)
A9
0
0
–
–
ATmega64A
PC4/A12
SRE • (XMM<4)
0
SRE • (XMM<4)
1
SRE • (XMM<4)
A8
0
0
–
–
79