ATMEGA48A-PU Atmel, ATMEGA48A-PU Datasheet - Page 9

• Manufacturer Part Number: ATMEGA48A-PU
• Description: IC MCU AVR 4K FLASH 28PDIP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA48A-PU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 23
• Program Memory Size: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 6x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Controller Family/series: Atmega
• No. Of I/o's: 23
• Eeprom Memory Size: 256Byte
• Ram Memory Size: 512Byte
• Cpu Speed: 20MHz
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8271CS–AVR–08/10
Address
(0xBE)
(0xBD)
(0xBC)
(0xBB)
(0xBA)
(0xAE)
(0xAD)
(0xAC)
(0xAB)
(0xAA)
(0xC1)
(0xC0)
(0xBF)
(0xB9)
(0xB8)
(0xB7)
(0xB6)
(0xB5)
(0xB4)
(0xB3)
(0xB2)
(0xB1)
(0xB0)
(0xAF)
(0xA9)
(0xA8)
(0xA7)
(0xA6)
(0xA5)
(0xA4)
(0xA3)
(0xA2)
(0xA1)
(0xA0)
(0x9F)
(0x9E)
(0x9D)
(0x9C)
(0x9B)
(0x9A)
(0x99)
(0x98)
(0x97)
(0x96)
(0x95)
(0x94)
(0x93)
(0x92)
(0x91)
(0x90)
(0x8F)
(0x8E)
(0x8D)
(0x8C)
(0x8B)
(0x89)
(0x88)
(0x87)
(0x86)
(0x85)
(0x84)
(0x83)
(0x82)
(0x81)
(0x80)
(0x8A)
Reserved
Reserved
Reserved
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Reserved
UCSR0B
UCSR0A
OCR1BH
OCR1AH
TCCR1C
TCCR2B
TCCR2A
OCR1BL
OCR1AL
TCNT1H
TCCR1B
TCCR1A
Name
TWAMR
TCNT1L
OCR2B
OCR2A
TCNT2
TWCR
TWDR
TWAR
TWSR
TWBR
ICR1H
ASSR
ICR1L
COM2A1
COM1A1
TWAM6
RXCIE0
FOC2A
FOC1A
TWINT
Bit 7
ICNC1
RXC0
TWA6
TWS7
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ATmega48A/48PA/88A/88PA/168A/168PA/328/328P
COM2A0
COM1A0
TWAM5
TXCIE0
EXCLK
FOC2B
FOC1B
Bit 6
TWEA
ICES1
TWA5
TWS6
TXC0
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COM2B1
COM1B1
UDRIE0
TWAM4
UDRE0
TWSTA
Bit 5
TWA4
TWS5
AS2
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Timer/Counter1 - Output Compare Register B High Byte
Timer/Counter1 - Output Compare Register A High Byte
Timer/Counter1 - Output Compare Register B Low Byte
Timer/Counter1 - Output Compare Register A Low Byte
Timer/Counter1 - Input Capture Register High Byte
Timer/Counter1 - Input Capture Register Low Byte
Timer/Counter1 - Counter Register High Byte
Timer/Counter1 - Counter Register Low Byte
Timer/Counter2 Output Compare Register B
Timer/Counter2 Output Compare Register A
2-wire Serial Interface Bit Rate Register
2-wire Serial Interface Data Register
TCN2UB
COM2B0
COM1B0
TWAM3
TWSTO
WGM13
RXEN0
Bit 4
TWA3
TWS4
FE0
Timer/Counter2 (8-bit)
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OCR2AUB
TWAM2
WGM22
WGM12
TXEN0
TWWC
Bit 3
DOR0
TWA2
TWS3
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OCR2BUB
UCSZ02
TWAM1
Bit 2
TWEN
TWA1
UPE0
CS22
CS12
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TCR2AUB
TWAM0
WGM21
WGM11
TWPS1
RXB80
Bit 1
TWA0
U2X0
CS21
CS11
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TCR2BUB
MPCM0
TWGCE
WGM20
WGM10
TWPS0
TXB80
Bit 0
TWIE
CS20
CS10
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