ATmega48PA Atmel Corporation, ATmega48PA Datasheet - Page 329

• Manufacturer Part Number: ATmega48PA
• Manufacturer: Atmel Corporation

Specifications of ATmega48PA

• 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: Yes
• Crypto Engine: No
• Sram (kbytes): 0.5
• Eeprom (bytes): 256
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: Yes
• 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

29.8
Table 29-16. ADC Characteristics
Note:
8271D–AVR–05/11
Symbol
AV
R
V
R
V
V
REF
REF
CC
AIN
INT
IN
(1)
ADC Characteristics
1. AV
Parameter
Resolution
Absolute accuracy (Including
INL, DNL, quantization error,
gain and offset error)
Integral Non-Linearity (INL)
Differential Non-Linearity
(DNL)
Gain Error
Offset Error
Conversion Time
Clock Frequency
Analog Supply Voltage
Reference Voltage
Input Voltage
Input Bandwidth
Internal Voltage Reference
Reference Input Resistance
Analog Input Resistance
CC
absolute min./max: 1.8V/5.5V
V
ADC clock = 200kHz
V
ADC clock = 1MHz
V
ADC clock = 200kHz
Noise Reduction Mode
V
ADC clock = 1MHz
Noise Reduction Mode
V
ADC clock = 200kHz
V
ADC clock = 200kHz
V
ADC clock = 200kHz
V
ADC clock = 200kHz
Free Running Conversion
REF
REF
REF
REF
REF
REF
REF
REF
ATmega48A/PA/88A/PA/168A/PA/328/P
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
= 4V, V
Condition
CC
CC
CC
CC
CC
CC
CC
CC
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
= 4V,
V
CC
GND
Min.
1.0
1.0
13
50
- 0.3
0.25
38.5
Typ
100
4.5
4.5
0.5
1.1
10
32
2
2
2
2
V
CC
AV
1000
V
Max
260
1.2
REF
+ 0.3
CC
Units
LSB
LSB
LSB
LSB
LSB
LSB
LSB
LSB
Bits
kHz
kHz
MΩ
kΩ
µs
V
V
V
V
329