atmega161-4pi ATMEL Corporation, atmega161-4pi Datasheet - Page 129

• Manufacturer Part Number: atmega161-4pi
• Description: 8-bit Microcontroller With 16k Bytes Of In-system Programmable Flash
• Manufacturer: ATMEL Corporation

Serial Programming
Characteristics
1228D–AVR–02/07
Figure 81. Serial Programming Timing
Table 49. Serial Programming Characteristics, T
(unless otherwise noted)
Symbol
1/t
t
t
t
t
t
t
CLCL
SHSL
SLSH
OVSH
SHOX
SLIV
CLCL
MOSI
MISO
SCK
Parameter
Oscillator Frequency
Oscillator Period
SCK Pulse Width High
SCK Pulse Width Low
MOSI Setup to SCK High
MOSI Hold after SCK High
SCK Low to MISO Valid
t
OVSH
t
SHSL
(V
(V
(V
(V
CC
CC
CC
CC
= 2.7 -
= 4.0 -
= 2.7 -
= 4.0 -
t
A
5.5V
5.5V
5.5V
5.5V
SHOX
= -40°C to 85°C, V
)
)
)
)
2 t
2 t
2 t
ATmega161(L)
t
Min
250
125
CLCL
10
CLCL
CLCL
CLCL
0
0
t
SLSH
Typ
16
t
CC
SLIV
Max
= 2.7 - 5.5V
32
4
8
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
129