ATTINY28V_14 Datasheet, PDF (1/81 Pages) ATMEL Corporation – AVR – High-performance and Low-power RISC Architecture

Features
• Utilizes the AVR^® RISC Architecture
• AVR – High-performance and Low-power RISC Architecture
– 90 Powerful Instructions – Most Single Clock Cycle Execution
– 32 x 8 General-purpose Working Registers
– Up to 4 MIPS Throughput at 4 MHz
• Nonvolatile Program Memory
– 2K Bytes of Flash Program Memory
– Endurance: 1,000 Write/Erase Cycles
– Programming Lock for Flash Program Data Security
• Peripheral Features
– Interrupt and Wake-up on Low-level Input
– One 8-bit Timer/Counter with Separate Prescaler
– On-chip Analog Comparator
– Programmable Watchdog Timer with On-chip Oscillator
– Built-in High-current LED Driver with Programmable Modulation
• Special Microcontroller Features
– Low-power Idle and Power-down Modes
– External and Internal Interrupt Sources
– Power-on Reset Circuit with Programmable Start-up Time
– Internal Calibrated RC Oscillator
• Power Consumption at 1 MHz, 2V, 25°C
– Active: 3.0 mA
– Idle Mode: 1.2 mA
– Power-down Mode: <1 µA
• I/O and Packages
– 11 Programmable I/O Lines, 8 Input Lines and a High-current LED Driver
– 28-lead PDIP, 32-lead TQFP, and 32-pad MLF
• Operating Voltages
– V_CC: 1.8V - 5.5V for the ATtiny28V
– V_CC: 2.7V - 5.5V for the ATtiny28L
• Speed Grades
– 0 - 1.2 MHz for the ATtiny28V
– 0 - 4 MHz For the ATtiny28L
Pin Configurations
PDIP
TQFP/QFN/MLF
RESET 1
PD0 2
PD1 3
PD2 4
PD3 5
PD4 6
VCC 7
GND 8
XTAL1 9
XTAL2 10
PD5 11
PD6 12
PD7 13
(AIN0) PB0 14
28 PA0
27 PA1
26 PA3
25 PA2 (IR)
24 PB7
23 PB6
22 GND
21 NC
20 VCC
19 PB5
18 PB4 (INT1)
17 PB3 (INT0)
16 PB2 (T0)
15 PB1 (AIN1)
PD3 1
PD4 2
NC 3
VCC 4
GND 5
NC 6
XTAL1 7
XTAL2 8
24 PB7
23 PB6
22 NC
21 GND
20 NC
19 NC
18 VCC
17 PB5
8-bit
Microcontroller
with 2K Bytes of
Flash
ATtiny28L
ATtiny28V
Rev. 1062F–AVR–07/06
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