ATMEGA169 ATMEL [ATMEL Corporation], ATMEGA169 Datasheet - Page 301

• Manufacturer Part Number: ATMEGA169
• Description: 8-bit Microcontroller with 16K Bytes In-System Programmable Flash
• Manufacturer: ATMEL [ATMEL Corporation]

SPI Timing
Characteristics
2514P–AVR–07/06
Figure 136. Maximum Frequency vs. V
Figure 137. Maximum Frequency vs. V
See Figure 138 and Figure 139 for details.
Table 134. SPI Timing Parameters
10
11
12
1
2
3
4
5
6
7
8
9
16 MHz
8 MHz
8 MHz
4 MHz
SCK to out high
SCK high/low
SCK high/low
Rise/Fall time
Rise/Fall time
SS low to out
Description
SCK period
Out to SCK
SCK period
SCK to out
Setup
Hold
2.7V
1.8V
(1)
Safe Operating Area
Master
Master
Master
Master
Master
Master
Master
Master
Mode
Slave
Slave
Slave
Slave
Safe Operating Area
CC
CC
, ATmega169V
, ATmega169
2.7V
4.5V
4 • t
2 • t
Min
ck
ck
50% duty cycle
See Table 69
5.5V
0.5 • t
Typ
ATmega169/V
3.6
1.6
10
10
10
10
15
sck
5.5V
Max
ns
µs
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