ATMEGA64-16AI Atmel, ATMEGA64-16AI Datasheet - Page 20
ATMEGA64-16AI
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
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2490Q–AVR–06/10
The Indirect with Displacement mode reaches 63 address locations from the base address given
by the Y- or Z-register.
When using register indirect addressing modes with automatic pre-decrement and post-incre-
ment, the address registers X, Y, and Z are decremented or incremented.
The 32 general purpose working registers, 64 I/O Registers, 160 extended I/O Registers, and
the 4,096 bytes of internal data SRAM in the ATmega64 are all accessible through all these
addressing modes. The Register File is described in
13.
Figure 9. Data Memory Map
Memory Configuration A
160 Ext I/O Reg.
64 I/O Registers
External SRAM
Internal SRAM
Data Memory
32 Registers
(0 - 64K x 8)
(4096 x 8)
$0000 - $001F
$0100
$10FF
$1100
$FFFF
$0020 - $005F
$0060 - $00FF
Memory Configuration B
“General Purpose Register File” on page
64 I/O Registers
Internal SRAM
External SRAM
Data Memory
32 Registers
(0 - 64K x 8)
(4000 x 8)
ATmega64(L)
$0FFF
$1000
$0000 - $001F
$0020 - $005F
$0060
$FFFF
20
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