ATMEGA64-16AJ Atmel, ATMEGA64-16AJ Datasheet - Page 82
![IC MCU AVR 64K 5V 16MHZ 64-TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA64-16AJ
Manufacturer Part Number
ATMEGA64-16AJ
Description
IC MCU AVR 64K 5V 16MHZ 64-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA64-16AJ
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
Lead free / RoHS Compliant
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2490Q–AVR–06/10
• AIN0/XCK0 – Port E, Bit 2
AIN0 – Analog Comparator Positive input. This pin is directly connected to the positive input of
the Analog Comparator.
XCK0, USART0 External Clock. The Data Direction Register (DDE2) controls whether the clock
is output (DDE2 set) or input (DDE2 cleared). The XCK0 pin is active only when the USART0
operates in synchronous mode.
• PDO/TXD0 – Port E, Bit 1
PDO, SPI Serial Programming Data output. During Serial Program Downloading, this pin is used
as data output line for the ATmega64.
TXD0, UART0 Transmit Pin.
• PDI/RXD0 – Port E, Bit 0
PDI, SPI Serial Programming Data input. During serial program downloading, this pin is used as
data input line for the ATmega64.
RXD0, USART0 Receive pin. Receive Data (Data Input pin for the USART0). When the
USART0 Receiver is enabled this pin is configured as an input regardless of the value of
DDRE0. When the USART0 forces this pin to be an input, a logical one in PORTE0 will turn on
the internal pull-up.
Table 40
Figure 33 on page
Table 40. Overriding Signals for Alternate Functions PE7..PE4
Signal
Name
PUOE
PUOV
DDOE
DDOV
PVOE
PVOV
DIEOE
DIEOV
DI
AIO
and
PE7/INT7/ICP3
0
0
0
0
0
0
INT7 ENABLE
1
INT7 INPUT/ICP3
INPUT
–
Table 41
71.
relates the alternate functions of Port E to the overriding signals shown in
PE6/INT6/T3
0
0
0
0
0
0
INT6 ENABLE
1
INT7 INPUT/T3
INPUT
–
PE5/INT5/OC3C
0
0
0
0
OC3C ENABLE
OC3C
INT5 ENABLE
1
INT5 INPUT
–
PE4/INT4/OC3B
0
0
0
0
OC3B ENABLE
OC3B
INT4 ENABLE
1
INT4 INPUT
–
ATmega64(L)
82
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