ATmega88 Atmel Corporation, ATmega88 Datasheet - Page 129

• Manufacturer Part Number: ATmega88
• Manufacturer: Atmel Corporation

Specifications of ATmega88

• Flash (kbytes): 8 Kbytes
• Pin Count: 32
• Max. Operating Frequency: 20 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 12
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 23
• Ext Interrupts: 24
• 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): 1
• Eeprom (bytes): 512
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• 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: 6
• Input Capture Channels: 1
• Pwm Channels: 6
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

2545T–AVR–05/11
Figure 16-13
Figure 16-13. Timer/counter timing diagram, with prescaler (f
and ICF n
(PC and PFC PWM)
TOVn
(CTC and FPWM)
(update at TOP)
(clk
clk
TCNTn
TCNTn
OCRnx
clk
as TOP)
I/O
(FPWM)
shows the same timing data, but with the prescaler enabled.
I/O
Tn
/8)
(if used
TOP - 1
TOP - 1
Old OCRnx value
TOP
TOP
clk_I/O
ATmega48/88/168
BOTTOM
TOP - 1
/8).
New OCRnx value
BOTTOM + 1
TOP - 2
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