ATmega48 Atmel Corporation, ATmega48 Datasheet - Page 22

• Manufacturer Part Number: ATmega48
• Manufacturer: Atmel Corporation

Specifications of ATmega48

• Flash (kbytes): 4 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): 0.5
• Eeprom (bytes): 256
• Self Program Memory: NO
• 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

10.4
22
SEATING PLANE
28P3
ATmega48/88/168
Note:
R
2325 Orchard Parkway
San Jose, CA 95131
A
L
1. Dimensions D and E1 do not include mold Flash or Protrusion.
Mold Flash or Protrusion shall not exceed 0.25mm (0.010").
e
C
TITLE
28P3, 28-lead (0.300"/7.62mm Wide) Plastic Dual
Inline Package (PDIP)
eB
E
D
B1
0º ~ 15º
B
PIN
1
REF
(4 PLACES)
B2
A1
E1
SYMBOL
A
A1
D
E
E1
B
B1
B2
L
C
eB
e
34.544
0.508
7.620
0.381
1.143
0.762
3.175
0.203
7.112
COMMON DIMENSIONS
MIN
(Unit of Measure = mm)
–
–
NOM
2.540 TYP
–
–
–
–
–
–
–
–
–
–
–
DRAWING NO.
4.5724
10.160
34.798
0.533
1.397
1.143
3.429
0.356
8.255
7.493
MAX
28P3
–
2545TS–AVR–05/11
Note 1
Note 1
NOTE
09/28/01
REV.
B