ATmega6450P Atmel Corporation, ATmega6450P Datasheet - Page 20

• Manufacturer Part Number: ATmega6450P
• Manufacturer: Atmel Corporation

Specifications of ATmega6450P

• Flash (kbytes): 64 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 69
• Ext Interrupts: 25
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Twi (i2c): 1
• Uart: 1
• 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: Yes
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8 to 5.5
• Operating Voltage (vcc): 1.8 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 4
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

8.2.1
8285D–AVR–06/11
Data Memory Access Times
ATmega165A/PA/325A/PA/3250A/PA/645A/P/6450A/P
Figure 8-2.
This section describes the general access timing concepts for internal memory access. The
internal data SRAM access is performed in two clk
20.
Figure 8-3.
Address
clk
Data Memory
On-chip Data SRAM Access Cycles
Data
Data
WR
CPU
RD
X 8
160 Ext I/O Reg.
64 I/O Registers
Data Memory
Compute Address
Internal SRAM
32 Registers
(1024 X 8)
(2048 x 8)
(4096 x 8)
T1
Memory Access Instruction
0x04FF/0x08FF/0x10FF
0x0000 - 0x001F
0x0020 - 0x005F
0x0060 - 0x00FF
0x0100
Address valid
CPU
T2
cycles as described in
Next Instruction
T3
Figure 8-3 on page
20