ATTINY261A-PU Atmel, ATTINY261A-PU Datasheet - Page 189
ATTINY261A-PU
Manufacturer Part Number
ATTINY261A-PU
Description
IC, MCU, 8BIT, 2K FLASH, 20PDIP
Manufacturer
Atmel
Datasheet
1.ATTINY461A-MU.pdf
(292 pages)
Specifications of ATTINY261A-PU
Controller Family/series
ATtiny
No. Of I/o's
16
Eeprom Memory Size
128Byte
Ram Memory Size
128Byte
Cpu Speed
20MHz
No.
RoHS Compliant
Core Size
8bit
Program Memory Size
2KB
Oscillator Type
External, Internal
Rohs Compliant
Yes
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Part Number:
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Manufacturer:
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19.7
8197B–AVR–01/10
Serial Programming Characteristics
Figure 19-3. Serial Programming Waveforms
Figure 19-4. Serial Programming Timing
Table 19-8.
Note:
SERIAL DATA OUTPUT
SERIAL CLOCK INPUT
Symbol
1/t
1/t
t
t
t
t
t
t
SERIAL DATA INPUT
t
OVSH
SHOX
CLCL
CLCL
SHSL
SLSH
SLIV
CLCL
CLCL
1. 2 t
Parameter
Oscillator Frequency
Oscillator Period
Oscillator Frequency (V
Oscillator Period V
SCK Pulse Width High
SCK Pulse Width Low
MOSI Setup to SCK High
MOSI Hold after SCK High
SCK Low to MISO Valid
SAMPLE
MOSI
MISO
CLCL
SCK
Serial Programming Characteristics, T
Otherwise Noted)
(MOSI)
(MISO)
(SCK)
for f
ck
< 12 MHz, 3 t
t
OVSH
MSB
MSB
CC
= 4.5V - 5.5V
CC
CLCL
= 4.5V - 5.5V)
t
for f
SHSL
ck
>= 12 MHz
A
t
= -40°C to 85°C, V
SHOX
2 t
2 t
2 t
t
CLCL
Min
250
CLCL
CLCL
50
CLCL
0
0
(1)
(1)
t
SLSH
CC
Typ
= 1.8 - 5.5V (Unless
t
SLIV
Max
100
20
4
LSB
LSB
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
189
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