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Atmel Electronic Components Datasheet

48-20PU Datasheet

8-bit Microcontroller

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Features
High Performance, Low Power AVR® 8-Bit Microcontroller
Advanced RISC Architecture
– 131 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General Purpose Working Registers
– Fully Static Operation
– Up to 20 MIPS Throughput at 20 MHz
– On-chip 2-cycle Multiplier
High Endurance Non-volatile Memory segments
– 4/8/16K Bytes of In-System Self-programmable Flash program memory
– 256/512/512 Bytes EEPROM
– 512/1K/1K Bytes Internal SRAM
– Write/Erase cyles: 10,000 Flash/100,000 EEPROM
– Data retention: 20 years at 85°C/100 years at 25°C(1)
– Optional Boot Code Section with Independent Lock Bits
In-System Programming by On-chip Boot Program
True Read-While-Write Operation
– Programming Lock for Software Security
Peripheral Features
– Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode
– One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode
– Real Time Counter with Separate Oscillator
– Six PWM Channels
– 8-channel 10-bit ADC in TQFP and QFN/MLF package
– 6-channel 10-bit ADC in PDIP Package
– Programmable Serial USART
– Master/Slave SPI Serial Interface
– Byte-oriented 2-wire Serial Interface (Philips I2C compatible)
– Programmable Watchdog Timer with Separate On-chip Oscillator
– On-chip Analog Comparator
– Interrupt and Wake-up on Pin Change
Special Microcontroller Features
– Power-on Reset and Programmable Brown-out Detection
– Internal Calibrated Oscillator
– External and Internal Interrupt Sources
– Five Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, and Standby
I/O and Packages
– 23 Programmable I/O Lines
– 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF and 32-pad QFN/MLF
Operating Voltage:
– 1.8 - 5.5V for ATmega48V/88V/168V
– 2.7 - 5.5V for ATmega48/88/168
Temperature Range:
– -40°C to 85°C
Speed Grade:
– ATmega48V/88V/168V: 0 - 4 MHz @ 1.8 - 5.5V, 0 - 10 MHz @ 2.7 - 5.5V
– ATmega48/88/168: 0 - 10 MHz @ 2.7 - 5.5V, 0 - 20 MHz @ 4.5 - 5.5V
Low Power Consumption
– Active Mode:
250 µA at 1 MHz, 1.8V
15 µA at 32 kHz, 1.8V (including Oscillator)
– Power-down Mode:
0.1µA at 1.8V
8-bit
Microcontroller
with 8K Bytes
In-System
Programmable
Flash
ATmega48/V
ATmega88/V
ATmega168/V
Rev. 2545M–AVR–09/07
www.DataSheet.in


Atmel Electronic Components Datasheet

48-20PU Datasheet

8-bit Microcontroller

No Preview Available !

1. Pin Configurations
Figure 1-1. Pinout ATmega48/88/1682545M
TQFP Top View
PDIP
(PCINT19/OC2B/INT1) PD3
(PCINT20/XCK/T0) PD4
GND
VCC
GND
VCC
(PCINT6/XTAL1/TOSC1) PB6
(PCINT7/XTAL2/TOSC2) PB7
1
2
3
4
5
6
7
8
24 PC1 (ADC1/PCINT9)
23 PC0 (ADC0/PCINT8)
22 ADC7
21 GND
20 AREF
19 ADC6
18 AVCC
17 PB5 (SCK/PCINT5)
(PCINT14/RESET) PC6
(PCINT16/RXD) PD0
(PCINT17/TXD) PD1
(PCINT18/INT0) PD2
(PCINT19/OC2B/INT1) PD3
(PCINT20/XCK/T0) PD4
VCC
GND
(PCINT6/XTAL1/TOSC1) PB6
(PCINT7/XTAL2/TOSC2) PB7
(PCINT21/OC0B/T1) PD5
(PCINT22/OC0A/AIN0) PD6
(PCINT23/AIN1) PD7
(PCINT0/CLKO/ICP1) PB0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28 PC5 (ADC5/SCL/PCINT13)
27 PC4 (ADC4/SDA/PCINT12)
26 PC3 (ADC3/PCINT11)
25 PC2 (ADC2/PCINT10)
24 PC1 (ADC1/PCINT9)
23 PC0 (ADC0/PCINT8)
22 GND
21 AREF
20 AVCC
19 PB5 (SCK/PCINT5)
18 PB4 (MISO/PCINT4)
17 PB3 (MOSI/OC2A/PCINT3)
16 PB2 (SS/OC1B/PCINT2)
15 PB1 (OC1A/PCINT1)
28 MLF Top View
32 MLF Top View
(PCINT19/OC2B/INT1) PD3
(PCINT20/XCK/T0) PD4
VCC
GND
(PCINT6/XTAL1/TOSC1) PB6
(PCINT7/XTAL2/TOSC2) PB7
(PCINT21/OC0B/T1) PD5
1
2
3
4
5
6
7
NOTE: Bottom pad should be soldered to ground.
21 PC2 (ADC2/PCINT10)
20 PC1 (ADC1/PCINT9)
19 PC0 (ADC0/PCINT8)
18 GND
17 AREF
16 AVCC
15 PB5 (SCK/PCINT5)
(PCINT19/OC2B/INT1) PD3
(PCINT20/XCK/T0) PD4
GND
VCC
GND
VCC
(PCINT6/XTAL1/TOSC1) PB6
(PCINT7/XTAL2/TOSC2) PB7
1
2
3
4
5
6
7
8
NOTE: Bottom pad should be soldered to ground.
24 PC1 (ADC1/PCINT9)
23 PC0 (ADC0/PCINT8)
22 ADC7
21 GND
20 AREF
19 ADC6
18 AVCC
17 PB5 (SCK/PCINT5)
2 ATmega48/88/168
www.DataSheet.in
2545M–AVR–09/07


Part Number 48-20PU
Description 8-bit Microcontroller
Maker ATMEL Corporation
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48-20PU Datasheet PDF






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