Rainbow Electronics ATtiny26L - Manual (Page 124)

124
ATtiny26(L)
1477B–AVR–04/02
Serial Programming
Characteristics Figure 69. Serial Programming Timing
Note: 1. 2 t
CLCL
for f
ck
< 12 MHz, 3 t
CLCL
for f
ck
>= 12 MHz
Table 61. Serial Programming Characteristics, T
A
= -40
°C to 85°C, V
CC
= 2.7V - 5.5V
(Unless Otherwise Noted) (1)
Symbol Parameter Min Typ Max Units
1/t
CLCL
Oscillator Frequency (V
CC
= 2.7 - 5.5 V) 0 8 MHz
t
CLCL
Oscillator Period (V
CC
= 2.7 - 5.5 V) 125 ns
1/t
CLCL
Oscillator Frequency (V
CC
= 4.5 - 5.5 V) 0 16 MHz
t
CLCL
Oscillator Period (V
CC
= 4.5 - 5.5 V) 62.5 ns
t
SHSL
SCK Pulse Width High 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
t
SLIV
SCK Low to MISO Valid 20 ns
MOSI
MISO
SCK
t
OVSH
t
SHSL
t
SLSH
t
SHOX
t
SLIV