ATMEGA644V-10AU Atmel, ATMEGA644V-10AU Datasheet - Page 309

• Manufacturer Part Number: ATMEGA644V-10AU
• Description: IC AVR MCU FLASH 64K 44TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA644V-10AU

• 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-TQFP, 44-VQFP
• Processor Series: ATMEGA64x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 4 KB
• Interface Type: 2-Wire/SPI/USART
• Maximum Clock Frequency: 10 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Operating Supply Voltage: 1.8 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Package: 44TQFP
• Device Core: AVR
• Family Name: ATmega
• Maximum Speed: 10 MHz
• For Use With: ATSTK600-TQFP44 - STK600 SOCKET/ADAPTER 44-TQFPATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEM
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 25-18. JTAG Programming Instruction (Continued)
2593N–AVR–07/10
Instruction
5a. Enter EEPROM Read
5b. Load Address High Byte
5c. Load Address Low Byte
5d. Read Data Byte
6a. Enter Fuse Write
6b. Load Data Low Byte
6c. Write Fuse Extended Byte
6d. Poll for Fuse Write Complete
6e. Load Data Low Byte
6f. Write Fuse High Byte
6g. Poll for Fuse Write Complete
6h. Load Data Low Byte
6i. Write Fuse Low Byte
6j. Poll for Fuse Write Complete
7a. Enter Lock Bit Write
7b. Load Data Byte
7c. Write Lock Bits
7d. Poll for Lock Bit Write complete
8a. Enter Fuse/Lock Bit Read
8b. Read Extended Fuse Byte
8c. Read Fuse High Byte
8d. Read Fuse Low Byte
Set (Continued)
o = data out, i = data in, x = don’t care
(9)
(6)
(7)
(7)
(8)
(7)
(6)
a = address high bits, b = address low bits, c = address extended bits, H = 0 - Low byte, 1 - High Byte,
TDI Sequence
0100011_00000011
0000111_aaaaaaaa
0000011_bbbbbbbb
0110011_bbbbbbbb
0110010_00000000
0110011_00000000
0100011_01000000
0010011_iiiiiiii
0111011_00000000
0111001_00000000
0111011_00000000
0111011_00000000
0010011_iiiiiiii
0110111_00000000
0110101_00000000
0110111_00000000
0110111_00000000
0010011_iiiiiiii
0110011_00000000
0110001_00000000
0110011_00000000
0110011_00000000
0100011_00100000
0010011_11iiiiii
0110011_00000000
0110001_00000000
0110011_00000000
0110011_00000000
0100011_00000100
0111010_00000000
0111011_00000000
0111110_00000000
0111111_00000000
0110010_00000000
0110011_00000000
0110111_00000000
0110111_00000000
0110011_00000000
0110011_00000000
TDO Sequence
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_oooooooo
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_oooooooo
xxxxxxx_xxxxxxxx
xxxxxxx_oooooooo
xxxxxxx_xxxxxxxx
xxxxxxx_oooooooo
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxox_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxox_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxox_xxxxxxxx
xxxxxxx_xxxxxxxx
xxxxxox_xxxxxxxx
xxxxxxx_xxxxxxxx
ATmega644
Notes
(10)
(3)
(1)
(2)
(3)
(1)
(2)
(3)
(1)
(2)
(4)
(1)
(2)
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