ATMEGA64-16AJ Atmel, ATMEGA64-16AJ Datasheet - Page 291
![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
Available stocks
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Part Number
Manufacturer
Quantity
Price
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Fuse Bits
2490Q–AVR–06/10
Table 116. Lock Bit Protection Modes
Notes:
The ATmega64 has three fuse bytes.
all the fuses and how they are mapped into the fuse bytes. Note that the fuses are read as logi-
cal zero, “0”, if they are programmed.
Table 117. Extended Fuse Byte
Notes:
Fuse Ext Byte
–
–
–
–
–
–
M103C
WDTON
1
2
3
4
Memory Lock Bits
(1)
1. Program the Fuse bits before programming the Lock bits.
2. “1” means unprogrammed, “0” means programmed
1. See
2. See
(2)
“ATmega103 and ATmega64 Compatibility” on page 4
“WDTCR – Watchdog Timer Control Register” on page 57
1
1
0
0
Bit no
7
6
5
4
3
2
1
0
1
0
0
1
Description
–
–
–
–
–
–
ATmega103 compatibility mode
Watchdog Timer always on
Protection Type
No restrictions for SPM or LPM accessing the Boot Loader
section.
SPM is not allowed to write to the Boot Loader section.
SPM is not allowed to write to the Boot Loader section,
and LPM executing from the Application section is not
allowed to read from the Boot Loader section. If Interrupt
Vectors are placed in the Application section, interrupts
are disabled while executing from the Boot Loader section.
LPM executing from the Application section is not allowed
to read from the Boot Loader section. If Interrupt Vectors
are placed in the Application section, interrupts are
disabled while executing from the Boot Loader section.
(2)
Table 117
(Continued)
-
Table 119
describe briefly the functionality of
for details.
Default Value
1
1
1
1
1
1
0 (programmed)
1 (unprogrammed)
for details.
ATmega64(L)
291
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