ATmega88 Atmel Corporation, ATmega88 Datasheet - Page 304

• 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

T
Notes:
2545T–AVR–05/11
A
Symbol
I
V
I
t
CC
ACLK
ACID
ACIO
= -40°C to 85°C, V
1. “Max” means the highest value where the pin is guaranteed to be read as low
2. “Min” means the lowest value where the pin is guaranteed to be read as high
3. Although each I/O port can sink more than the test conditions (20mA at V
4. Although each I/O port can source more than the test conditions (20mA at V
5. Values with
conditions (non-transient), the following must be observed:
ATmega48/88/168:
1] The sum of all I
2] The sum of all I
3] The sum of all I
If I
than the listed test condition.
conditions (non-transient), the following must be observed:
ATmega48/88/168:
1] The sum of all I
2] The sum of all I
If II
greater than the listed test condition.
Parameter
Power supply current
Power-down mode
Analog comparator
input offset voltage
Analog comparator
input leakage current
Analog comparator
propagation delay
OL
OH
exceeds the test condition, V
exceeds the test condition, V
CC
“Minimizing power consumption” on page 41
= 1.8V to 5.5V (unless otherwise noted). (Continued)
OL
OL
OL
OH
OH
, for ports C0 - C5, ADC7, ADC6 should not exceed 100mA.
, for ports B0 - B5, D5 - D7, XTAL1, XTAL2 should not exceed 100mA.
, for ports D0 - D4, RESET should not exceed 100mA.
, for ports C0 - C5, D0- D4, ADC7, RESET should not exceed 150mA.
, for ports B0 - B5, D5 - D7, ADC6, XTAL1, XTAL2 should not exceed 150mA.
(5)
Condition
Active 1MHz, V
(Atmel ATmega48/88/168V)
Active 4MHz, V
(Atmel ATmega48/88/168L)
Active 8MHz, V
(Atmel ATmega48/88/168)
Idle 1MHz, V
(ATmega48/88/168V)
Idle 4MHz, V
(ATmega48/88/168L)
Idle 8MHz, V
(ATmega48/88/168)
WDT enabled, V
WDT disabled, V
V
V
V
V
V
V
CC
in
CC
in
CC
CC
= V
= V
= 5V
= 5V
= 2.7V
= 4.0V
OL
OH
CC
CC
may exceed the related specification. Pins are not guaranteed to sink current greater
may exceed the related specification. Pins are not guaranteed to source current
/2
/2
CC
CC
CC
CC
CC
CC
= 2V
= 3V
= 5V
CC
CC
= 2V
= 3V
= 5V
= 3V
= 3V
enabled (0xFF).
Minimum
-50
CC
CC
= 5V, 10mA at V
= 5V, 10mA at V
Typical
0.25
750
500
10
8
1
ATmega48/88/168
CC
Maximum
CC
= 3V) under steady state
0.55
3.5
0.5
1.5
5.5
12
15
40
50
= 3V) under steady state
2
Units
mA
mV
µA
nA
ns
304