ATMEGA64-16AI Atmel, ATMEGA64-16AI Datasheet - Page 77

• Manufacturer Part Number: ATMEGA64-16AI
• Description: IC AVR MCU 64K 16MHZ IND 64-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA64-16AI

• 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): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Alternate Functions of
Port C
2490Q–AVR–06/10
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 33. Port C Pins Alternate Functions
Table 34
Figure 33 on page
Table 34. Overriding Signals for Alternate Functions in PC7..PC4
Signal Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
and
Port Pin
PC7
PC6
PC5
PC4
PC3
PC2
PC1
PC0
Table 35
PC7/A15
SRE • (XMM
0
SRE • (XMM<1)
1
SRE • (XMM<1)
A11
0
0
–
–
71.
relate the alternate functions of Port C to the overriding signals shown in
(1)
<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
–
–
ATmega64(L)
PC4/A12
SRE • (XMM<4)
0
SRE • (XMM<4)
1
SRE • (XMM<4)
A8
0
0
–
–
77