ATMEGA644V-10MU Atmel, ATMEGA644V-10MU Datasheet - Page 57
![IC AVR MCU FLASH 64K 44-QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA644V-10MU
Manufacturer Part Number
ATMEGA644V-10MU
Description
IC AVR MCU FLASH 64K 44-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA644V-10MU
Core Processor
AVR
Core Size
8-Bit
Speed
10MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
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)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-VQFN Exposed Pad
Package
44QFN EP
Device Core
AVR
Family Name
ATmega
Maximum Speed
10 MHz
Operating Supply Voltage
2.5|3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
32
Interface Type
JTAG/SPI/TWI/USART
On-chip Adc
8-chx10-bit
Number Of Timers
3
Processor Series
ATMEGA64x
Core
AVR8
Data Ram Size
4 KB
Maximum Clock Frequency
20 MHz
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
For Use With
ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFPATSTK600 - DEV KIT FOR AVR/AVR32770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA644V-10MU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- Current page: 57 of 376
- Download datasheet (8Mb)
2593N–AVR–07/10
When the BOOTRST Fuse is unprogrammed, the Boot section size set to 8 Kbytes and the
IVSEL bit in the MCUCR Register is set before any interrupts are enabled, the most typical and
general program setup for the Reset and Interrupt Vector Addresses is:
When the BOOTRST Fuse is programmed and the Boot section size set to 8 Kbytes, the most
typical and general program setup for the Reset and Interrupt Vector Addresses is:
0x0030
0x0032
0x0034
0x0036
;
0x003E
0x003F
0x0040
0x0041
0x0042
0x0043
...
Address Labels Code
0x00000 RESET: ldi
0x00001
0x00002
0x00003
0x00004
0x00005
;
.org 0x1F002
0x1F002
0x1F004
...
0x1FO36
Address Labels Code
.org 0x0002
0x00002
0x00004
...
0x00036
;
.org 0x1F000
0x1F000 RESET: ldi
0x1F001
RESET
:
...
out
ldi
out
sei
<instr>
jmp
jmp
...
jmp
jmp
jmp
...
jmp
out
jmp
jmp
jmp
jmp
ldi
out
ldi
out
sei
<inst
r>
...
r16,high(RAMEND); Main program start
SPH,r16
r16,low(RAMEND)
SPL,r16
EXT_INT0
EXT_INT1
...
SPM_RDY
EXT_INT0
EXT_INT1
...
SPM_RDY
r16,high(RAMEND); Main program start
SPH,r16
xxx
ADC
EE_RDY
TWI
SPM_RDY
r16,
high(RAMEND)
SPH,r16
r16,
low(RAMEND)
SPL,r16
xxx
...
Comments
Comments
; Set Stack Pointer to top of RAM
; Enable interrupts
; IRQ0 Handler
; IRQ1 Handler
;
; SPM Ready Handler
; IRQ0 Handler
; IRQ1 Handler
;
; SPM Ready Handler
; Set Stack Pointer to top of RAM
; ADC Conversion Complete
Handler
; EEPROM Ready Handler
; 2-wire Serial Handler
; SPM Ready Handler
; Main program start
; Set Stack Pointer to top of
RAM
; Enable interrupts
ATmega644
57
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