鈥?/div>
AVR 鈥?High-performance and Low-power RISC Architecture
鈥?90 Powerful Instructions 鈥?Most Single Clock Cycle Execution
鈥?32 x 8 General-purpose Working Registers
鈥?Up to 4 MIPS Throughput at 4 MHz
Nonvolatile Program Memory
鈥?2K Bytes of Flash Program Memory
鈥?Endurance: 1,000 Write/Erase Cycles
鈥?Programming Lock for Flash Program Data Security
Peripheral Features
鈥?Interrupt and Wake-up on Low-level Input
鈥?One 8-bit Timer/Counter with Separate Prescaler
鈥?On-chip Analog Comparator
鈥?Programmable Watchdog Timer with On-chip Oscillator
鈥?Built-in High-current LED Driver with Programmable Modulation
Special Microcontroller Features
鈥?Low-power Idle and Power-down Modes
鈥?External and Internal Interrupt Sources
鈥?Power-on Reset Circuit with Programmable Start-up Time
鈥?Internal Calibrated RC Oscillator
Power Consumption at 1 MHz, 2V, 25掳C
鈥?Active: 3.0 mA
鈥?Idle Mode: 1.2 mA
鈥?Power-down Mode: <1 碌A
I/O and Packages
鈥?11 Programmable I/O Lines, 8 Input Lines and a High-current LED Driver
鈥?28-lead PDIP, 32-lead TQFP, and 32-pad MLF
Operating Voltages
鈥?V
CC
: 1.8V - 5.5V for the ATtiny28V
鈥?V
CC
: 2.7V - 5.5V for the ATtiny28L
Speed Grades
鈥?0 - 1.2 MHz for the ATtiny28V
鈥?0 - 4 MHz For the ATtiny28L
鈥?/div>
鈥?/div>
鈥?/div>
8-bit
Microcontroller
with 2K Bytes of
Flash
ATtiny28L
ATtiny28V
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Pin Configurations
PDIP
TQFP/MLF
PD2
PD1
PD0
RESET
PA0
PA1
PA3
PA2 (IR)
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
9
10
11
12
13
14
15
16
PD5
PD6
PD7
(AIN0) PB0
(AIN1) PB1
(T0) PB2
(INT0) PB3
(INT1) PB4
RESET
PD0
PD1
PD2
PD3
PD4
VCC
GND
XTAL1
XTAL2
PD5
PD6
PD7
(AIN0) PB0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
PA0
PA1
PA3
PA2 (IR)
PB7
PB6
GND
NC
VCC
PB5
PB4 (INT1)
PB3 (INT0)
PB2 (T0)
PB1 (AIN1)
PD3
PD4
NC
VCC
GND
NC
XTAL1
XTAL2
1
2
3
4
5
6
7
8
PB7
PB6
NC
GND
NC
NC
VCC
PB5
Rev. 1062E鈥?0/01
1
next
ATTINY28L-4PI 产品属性
50
集成电路 (IC)
嵌入式 - 微控制器,
AVR® ATtiny
AVR
8-位
4MHz
-
POR,WDT
11
2KB(1K x 16)
闪存
-
-
2.7 V ~ 5.5 V
-
内部
-40°C ~ 85°C
28-DIP(0.300",7.62mm)
管件
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