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ATtiny261A 데이터시트(PDF) 189 Page - ATMEL Corporation

부품명 ATtiny261A
상세설명  8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
PDF  292 Pages
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제조업체  ATMEL [ATMEL Corporation]
홈페이지  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATtiny261A 데이터시트(HTML) 189 Page - ATMEL Corporation

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189
8197A–AVR–10/09
ATtiny261A/461A/861A
19.7 Serial Programming Characteristics
Figure 19-3. Serial Programming Waveforms
Figure 19-4. Serial Programming Timing
Note:
1. 2 tCLCL for fck < 12 MHz, 3 tCLCL for fck >= 12 MHz
Table 19-8.
Serial Programming Characteristics, TA = -40°C to 85°C, VCC = 1.8 - 5.5V (Unless
Otherwise Noted)
Symbol
Parameter
Min
Typ
Max
Units
1/tCLCL
Oscillator Frequency
0
4
MHz
tCLCL
Oscillator Period
250
ns
1/tCLCL
Oscillator Frequency (VCC = 4.5V - 5.5V)
0
20
MHz
tCLCL
Oscillator Period VCC = 4.5V - 5.5V
50
ns
tSHSL
SCK Pulse Width High
2 tCLCL
(1)
ns
tSLSH
SCK Pulse Width Low
2 tCLCL
(1)
ns
tOVSH
MOSI Setup to SCK High
tCLCL
ns
tSHOX
MOSI Hold after SCK High
2 tCLCL
ns
tSLIV
SCK Low to MISO Valid
100
ns
MSB
MSB
LSB
LSB
SERIAL CLOCK INPUT
(SCK)
SERIAL DATA INPUT
(MOSI)
(MISO)
SAMPLE
SERIAL DATA OUTPUT
MOSI
MISO
SCK
t
OVSH
t
SHSL
t
SLSH
t
SHOX
t
SLIV



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