ATMEGA64A-MNR Atmel, ATMEGA64A-MNR Datasheet - Page 299
ATMEGA64A-MNR
Manufacturer Part Number
ATMEGA64A-MNR
Description
IC MCU AVR 64K FLASH 8QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA64A-AU.pdf
(392 pages)
Specifications of ATMEGA64A-MNR
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
*
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
SPI, UART, I2C
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
53
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Operating Temperature Range
- 40 C to + 85 C
Processor To Be Evaluated
ATMEGA64A
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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8160C–AVR–07/09
Figure 27-1. Parallel Programming
Table 27-6.
Table 27-7.
Signal Name in
Programming Mode
RDY/BSY
OE
WR
BS1
XA0
XA1
PAGEL
BS2
DATA
PAGEL
XA1
XA0
BS1
Pin
Pin Name Mapping
Pin Values Used to Enter Programming Mode
RDY/BSY
Pin Name
PB7 - 0
PAGEL
+12 V
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PA0
BS2
BS1
XA0
XA1
WR
OE
I/O
I/O
O
I
I
I
I
I
I
I
PD1
PD2
PD3
PD4
PD5
PD6
PD7
RESET
XTAL1
GND
PA0
Prog_enable[3]
Prog_enable[2]
Prog_enable[1]
Prog_enable[0]
Function
0: Device is busy programming, 1: Device is ready for
new command
Output Enable (Active low)
Write Pulse (Active low)
Byte Select 1 (“0” selects low byte, “1” selects high
byte)
XTAL Action Bit 0
XTAL Action Bit 1
Program Memory and EEPROM data Page Load
Byte Select 2 (“0” selects low byte, “1” selects 2’nd high
byte)
Bi-directional Data bus (Output when OE is low)
Symbol
PB7 - PB0
AVCC
VCC
+5V
+5V
DATA
ATmega64A
Value
0
0
0
0
299
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