ATmega48 Atmel Corporation, ATmega48 Datasheet - Page 367

• 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

36.15 Rev. 2545F-05/05
36.16 Rev. 2545E-02/05
36.17 Rev. 2545D-07/04
2545T–AVR–05/11
11.
12.
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17
18.
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20.
1.
2.
3.
4.
5.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
1.
2.
3.
Updated rev. A in
Added rev. C and D in
Table notes in
Updated instructions used with WDTCSR in relevant code examples.
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
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and
Added
Updated
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267.
Updated
Updated
Updated
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page
Updated
and
Updated
Table 28-16 on page 300
Table 27-11 on page
361.
Table 29-1 on page
Section 3. “Resources” on page 8
“Pin change interrupt timing” on page 66
Section 9.6 “Calibrated internal RC oscillator” 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 16-7 on page
Section 28.8.3 “Serial programming instruction set” on page
Section 35. “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
“System clock prescaler” on page
Table 29-3 on page
“Errata Atmel ATmega88” on page 360
Table 9-5 on page
“SPMCSR – Store program memory control and status register” on page
Section 29.2 “DC characteristics” on page 303
“Bit rate generator unit” on page
“Errata Atmel ATmega48” on page
“Analog-to-digital converter” on page
“Errata Atmel ATmega48” on page
283.
306.
31,
307,
122,
Table 29-4 on page
35.
Table 29-6 on page
Figure 30-45 on page
357.
303.
350.
36.
291.
261.
216.
and
33.
ATmega48/88/168
247.
357.
90.
307,
“Errata Atmel ATmega168” on
309,
339.
357.
244.
22.
Table 27-9 on page
Table 29-2 on page 306
updated.
33.
300.
242.
206.
282,
367