ATTINY28L-4PI Atmel, ATTINY28L-4PI Datasheet - Page 40
ATTINY28L-4PI
Manufacturer Part Number
ATTINY28L-4PI
Description
IC MCU 2K FLASH 4MHZ LV IT 28DIP
Manufacturer
Atmel
Series
AVR® ATtinyr
Specifications of ATTINY28L-4PI
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
Peripherals
POR, WDT
Number Of I /o
11
Program Memory Size
2KB (1K x 16)
Program Memory Type
FLASH
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Ram Size
-
Data Converters
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
40
ATtiny28L/V
Figure 31. The Hardware Modulator
Figure 32 to Figure 35 show examples on output from the Modulator. Figure 32 also
shows the timing for the enable setting signal and for the count enable signal to
Timer/Counter0.
Figure 32. Modulation with ONTIM = 3, MCONF = 010.
Note:
Figure 33. Modulation with ONTIM = 5, MCONF = 001
Note:
WM: WRITE MODCR
RM: READ MODCR
RM
8
5
3
/
/
/
WM
SETTING
1. Clock frequency: 455 kHz; modulation frequency: 38 kHz; duty-cycle: 33%
Clock frequency: 455 kHz; modulation frequency: 38 kHz; duty-cycle: 50%
ENABLE
ENABLE
COUNT
CLK
PA2
FROM
PORTA2
CLK
PA2
5
3
5
3
/
/
ENABLE SETTING
MODULATOR
D
MACHINE
STATE
Q
DISABLE
MODUALTOR
COUNT ENABLE
TO TIMER/COUNTER0
1062F–AVR–07/06
0
1
PA2