ATmega48 Atmel Corporation, ATmega48 Datasheet - Page 33

• 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

12.15 Rev. 2545F-05/05
12.16 Rev. 2545E-02/05
2545TS–AVR–05/11
8.
9.
10.
11.
12.
13.
14.
15.
16.
17
18.
19.
20.
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
Updated rev. A in
Added rev. C and D in
Table notes in
Updated
Updated
Updated
Updated
Updated note in
Updated
Updated Features in
Updated
Updated
Added
Updated
Added
Update
Updated
Updated
MLF-package alternative changed to “Quad Flat No-Lead/Micro Lead Frame Package
QFN/MLF”.
Updated
Updated
Updated
Updated
and
Added
Updated
Updated
266.
Updated
Updated
Updated
Updated
page
Table 27-16 on page 299
27.
Table 28-1 on page
Section 3. “Resources” on page 7
“Pin change interrupt timing” on page 65
Section 8.6 “Calibrated internal RC oscillator” on page
“Fast PWM mode” on page
“Asynchronous operation of Timer/Counter2” on page
“SPI – Serial peripheral interface” on page
“UCSRnA – USART MSPIM control and status register n A” on page
“Bit 6 – ACBG: Analog comparator bandgap select” on page
“Prescaling and conversion timing” on page
“Limitations of debugWIRE” on page
Figure 15-7 on page
Section 27.8.3 “Serial programming instruction set” on page
Section 10. “Errata” on page
“EECR – The EEPROM control register” on page
“Calibrated internal RC oscillator” on page
“External clock” on page
“8-bit timer/counter block diagram.” on page
“Enter programming mode” on page
“DC characteristics” on page
“Ordering information” on page
Table 28-3 on page
“Errata Atmel ATmega88” on page 25
“SPMCSR – Store program memory control and status register” on page
Section 28.2 “DC characteristics” on page 302
“Bit rate generator unit” on page
“Errata Atmel ATmega48” on page
“Analog-to-digital converter” on page
“Errata Atmel ATmega48” on page
305.
306,
121,
34.
Table 28-6 on page
Figure 29-45 on page
120.
22.
302.
15.
290.
260.
215.
and
32.
160.
ATmega48/88/168
246.
22.
89.
“Errata Atmel ATmega168” on
308,
338.
22.
243.
21.
Table 28-2 on page 305
updated.
32.
150.
299.
241.
205.
33