ATmega64 Atmel Corporation, ATmega64 Datasheet - Page 255

• Manufacturer Part Number: ATmega64
• Manufacturer: Atmel Corporation

Specifications of ATmega64

• Flash (kbytes): 64 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 53
• Ext Interrupts: 8
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Uart: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 4
• Eeprom (bytes): 2048
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 4
• Output Compare Channels: 8
• Input Capture Channels: 2
• Pwm Channels: 7
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

Device Identification
Register
Version
Part Number
Manufacturer ID
2490Q–AVR–06/10
controller state. The Bypass Register can be used to shorten the scan chain on a system when
the other devices are to be tested.
Figure 125
Figure 125. The Format of the Device Identification Register
Version is a 4-bit number identifying the revision of the component. The JTAG version number
follows the revision of the device. Revision A is 0x0, revision B is 0x1 and so on.
The part number is a 16-bit code identifying the component. The JTAG Part Number for
ATmega64 is listed in
Table 100. AVR JTAG Part Number
The Manufacturer ID is a 11-bit code identifying the manufacturer. The JTAG manufacturer ID
for Atmel is listed in
Table 101. Manufacturer ID
Bit
Device ID
Part Number
ATmega64
Manufacturer
Atmel
shows the structure of the Device Identification Register.
MSB
31
Version
4 bits
Table
Table
28
101.
100.
27
Part Number
16 bits
12
11
JTAG Part Number (Hex)
JTAG Man. ID (Hex)
Manufacturer ID
11 bits
0x9602
0x01F
ATmega64(L)
1
LSB
1-bit
1
0
255