ATmega64 Atmel Corporation, ATmega64 Datasheet - Page 310

• 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

Table 129. SPI Serial Programming Instruction Set (Continued)
Note:
SPI Serial
Programming
Characteristics
2490Q–AVR–06/10
Instruction
Read Extendend Fuse
Bits
Read Fuse High Bits
Read Calibration Byte
a = address high bits, b = address low bits, H = 0 - Low byte, 1 - High Byte, o = data out, i = data in, x = don’t care
For characteristics of the SPI module, see
0101 0000
0101 1000
0011 1000
Byte 1
0000 1000
0000 1000
00xx xxxx
Byte 2
Instruction Format
xxxx xxxx
xxxx xxxx
0000 00bb
Byte 3
“SPI Timing Characteristics” on page
oooo oooo
oooo oooo
oooo oooo
Byte 4
Operation
Read Extended Fuse bits. “0” =
pro-grammed, “1” =
unprogrammed. See
page 292
Read Fuse high bits. “0” = pro-
grammed, “1” = unprogrammed.
See
details.
Read Calibration Byte o at address
b.
Table 118 on page 292
ATmega64(L)
for details.
330.
Table 119 on
for
310