atmega323l ATMEL Corporation, atmega323l Datasheet - Page 201

• Manufacturer Part Number: atmega323l
• Description: Atmega323 8-bit Avr Microcontroller With 32k Bytes Of In-system Programmable Flash
• Manufacturer: ATMEL Corporation

Serial Programming
Characteristics
1457G–AVR–09/03
Figure 100. Serial Programming Timing
Table 70. Serial Programming Characteristics
T
A
Symbol
1/t
1/t
t
t
= -40 C to 85 C, V
t
t
t
t
OVSH
SHOX
t
CLCL
CLCL
SHSL
SLSH
SLIV
CLCL
CLCL
Parameter
Oscillator Frequency (V
Oscillator Period (V
Oscillator Frequency (V
Oscillator Period (V
SCK Pulse Width High
SCK Pulse Width Low
MOSI Setup to SCK High
MOSI Hold after SCK High
SCK Low to MISO Valid
MOSI
MISO
SCK
CC
t
OVSH
= 2.7V - 5.5V (Unless otherwise noted)
CC
CC
= 2.7 - 5.5 V)
= 4.0 - 5.5 V)
CC
CC
= 2.7 - 5.5 V)
= 4.0 - 5.5 V)
t
SHSL
t
SHOX
2 t
2 t
2 t
t
Min
250
125
CLCL
10
CLCL
CLCL
0
0
CLCL
ATmega323(L)
Typ
16
t
SLSH
t
SLIV
Max
32
4
8
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
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