122
8126F–AVR–05/12
ATtiny13A
18.8 Serial Programming Characteristics
Figure 18-3. Serial Programming Timing
Figure 18-4. Serial Programming Waveform
Note: 1. 2 t
CLCL
for f
ck
< 12 MHz, 3 t
CLCL
for f
ck
>= 12 MHz
Table 18-9. Serial Programming Characteristics, T
A
= -40°C to +85°C
Symbol Parameter Condition Min Typ Max Units
1/t
CLCL
Oscillator Frequency
V
CC
= 1.8 – 5.5V
01MHz
t
CLCL
Oscillator Period 1000 ns
1/t
CLCL
Oscillator Frequency
V
CC
= 2.7 – 5.5V
09.6MHz
t
CLCL
Oscillator Period 104 ns
1/t
CLCL
Oscillator Frequency
V
CC
= 4.5 – 5.5V
020MHz
t
CLCL
Oscillator Period 50 ns
t
SHSL
SCK Pulse Width High
V
CC
= 1.8 – 5.5V
2 t
CLCL
(1)
ns
t
SLSH
SCK Pulse Width Low 2 t
CLCL
(1)
ns
t
OVSH
MOSI Setup to SCK High t
CLCL
ns
t
SHOX
MOSI Hold after SCK High 2 t
CLCL
ns
MOSI
MISO
SCK
t
OVSH
t
SHSL
t
SLSH
t
SHOX
MSB
MSB
LSB
LSB
SERIAL CLOCK INPUT
(SCK)
SERIAL DATA INPUT
(MOSI)
(MISO)
SAMPLE
SERIAL DATA OUTPUT