ATmega32 Atmel Corporation, ATmega32 Datasheet - Page 308

• Manufacturer Part Number: ATmega32
• Manufacturer: Atmel Corporation

Specifications of ATmega32

• Flash (kbytes): 32 Kbytes
• Pin Count: 44
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 32
• Ext Interrupts: 3
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• 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): 2
• Eeprom (bytes): 1024
• 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: 3
• Output Compare Channels: 4
• Input Capture Channels: 1
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

Pin Pull-up
2503Q–AVR–02/11
Figure 171. I/O Pin Pull-up Resistor Current vs. Input Voltage (V
Figure 172. I/O Pin Pull-up Resistor Current vs. Input Voltage (V
25°C
85°C
160
140
120
100
80
60
40
20
90
80
70
60
50
40
30
20
10
0
0
0
0
-40°C
85°C
-40°C
25°C
0.5
0.5
1
1.5
1
2
V
V
1.5
OP
2.5
OP
(V)
(V)
3
2
3.5
4
2.5
CC
CC
= 5V)
= 3V)
4.5
ATmega32(L)
3
5
308