ATTINY13_08 Datasheet, PDF (121/176 Pages) ATMEL Corporation – 8-bit Microcontroller with 1K Bytes In-System Programmable Flash

ATtiny13
18.8 Serial Programming Characteristics
Figure 18-4. Serial Programming Timing
MOSI
t_OVSH
SCK
MISO
t_SHSL
t_SHOX
t_SLSH
Figure 18-5. Serial Programming Waveform
SERIAL DATA INPUT
MSB
LSB
(MOSI)
SERIAL DATA OUTPUT
MSB
LSB
(MISO)
SERIAL CLOCK INPUT
(SCK)
SAMPLE
Table 18-8. Serial Programming Characteristics, T_A = -40°C to 85°C, V_CC = 1.8 - 5.5V (Unless
Otherwise Noted)
Symbol Parameter
Min
Typ Max Units
1/t_CLCL
t_CLCL
1/t_CLCL
t_CLCL
1/t_CLCL
t_CLCL
t_SHSL
t_SLSH
t_OVSH
t_SHOX
Oscillator Frequency (ATtiny13V, V_CC = 1.8 - 5.5V)
Oscillator Period (ATtiny13V, V_CC = 1.8 - 5.5V)
Oscillator Frequency (ATtiny13, V_CC = 2.7 - 5.5V)
Oscillator Period (ATtiny13, V_CC = 2.7 - 5.5V)
Oscillator Frequency (ATtiny13, V_CC = 4.5V - 5.5V)
Oscillator Period (ATtiny13, V_CC = 4.5V - 5.5V)
SCK Pulse Width High
SCK Pulse Width Low
MOSI Setup to SCK High
MOSI Hold after SCK High
0
1000
0
104
0
50
2 t_CLCL(1)
2 t_CLCL⁽¹⁾
t_CLCL
2 t_CLCL
1
MHz
ns
9.6 MHz
ns
20 MHz
ns
ns
ns
ns
ns
Note: 1. 2 t_CLCL for f_ck < 12 MHz, 3 t_CLCL for f_ck >= 12 MHz
2535I–AVR–05/08
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