Datasheet

176
ATtiny2313/V
2543H–AVR–02/05
Serial Programming
Characteristics
Figure 80. Serial Programming Timing
Note: 1. 2 t
CLCL
for f
ck
< 12 MHz, 3 t
CLCL
for f
ck
>= 12 MHz
Table 79. Serial Programming Characteristics, T
A
= -40°C to 85°C, V
CC
= 2.7V - 5.5V
(Unless Otherwise Noted)
Symbol Parameter Min Typ Max Units
1/t
CLCL
Oscillator Frequency (ATtiny2313L) 0 8 MHz
t
CLCL
Oscillator Period (ATtiny2313L) 125 ns
1/t
CLCL
Oscillator Frequency (ATtiny2313, V
CC
= 4.5V -
5.5V) 0 16 MHz
t
CLCL
Oscillator Period (ATtiny2313, V
CC
= 4.5V -
5.5V) 67 ns
t
SHSL
SCK Pulse Width High 2 t
CLCL
* ns
t
SLSH
SCK Pulse Width Low 2 t
CLCL
* ns
t
OVSH
MOSI Setup to SCK High t
CLCL
ns
t
SHOX
MOSI Hold after SCK High 2 t
CLCL
ns
t
SLIV
SCK Low to MISO Valid TBD TBD TBD ns
MOSI
MISO
SCK
t
OVSH
t
SHSL
t
SLSH
t
SHOX
t
SLIV