ATTINY28L Datasheet PDF - ATMEL Corporation
| Part Number | ATTINY28L | |
| Description | 8-bit AVR Microcontroller with 2K Bytes of Flash | |
| Manufacturers | ATMEL Corporation | |
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There is a preview and ATTINY28L download ( pdf file ) link at the bottom of this page. Total 70 Pages | ||
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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
– VCC: 1.8V - 5.5V for the ATtiny28V
– VCC: 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/MLF
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 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
PD4
NC
VCC
GND
NC
XTAL1
XTAL2
1
2
3
4
5
6
7
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. 1062E–10/01
1
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External Clock
ATtiny28L/V
To drive the device from an external clock source, XTAL2 should be left unconnected
while XTAL1 is driven as shown in Figure 3.
Figure 3. External Clock Drive Configuration
NC
EXTERNAL
OSCILLATOR
SIGNAL
XTAL2
XTAL1
GND
External RC Oscillator
For timing insensitive applications, the external RC configuration shown in Figure 4 can
be used. For details on how to choose R and C, see Table 25 on page 54.
Figure 4. External RC Configuration
VCC
R NC XTAL2
XTAL1
C
GND
1062E–10/01
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for ATTINY28L electronic component. |
| Information | Total 70 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ ATTINY28L.PDF Datasheet ] | |
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