ATMEGA169 ATMEL [ATMEL Corporation], ATMEGA169 Datasheet - Page 302

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

302
ATmega169/V
Table 134. SPI Timing Parameters
Note:
Figure 138. SPI Interface Timing Requirements (Master Mode)
Figure 139. SPI Interface Timing Requirements (Slave Mode)
(Data Output)
(Data Output)
13
14
15
16
17
18
(Data Input)
(Data Input)
(CPOL = 0)
(CPOL = 1)
(CPOL = 0)
(CPOL = 1)
MISO
MOSI
MOSI
MISO
1. In SPI Programming mode the minimum SCK high/low period is:
SCK
SCK
SCK
SCK
SS
SS
SS high to tri-state
SCK to SS high
- 2 t
- 3 t
SS low to SCK
Description
SCK to out
CLCL
CLCL
Setup
Hold
9
for f
for f
13
6
4
MSB
CK
CK
MSB
< 12 MHz
> 12 MHz
5
MSB
MSB
14
15
Mode
Slave
Slave
Slave
Slave
Slave
Slave
7
...
20 • t
...
...
Min
...
10
t
20
ck
ck
11
2
Typ
15
10
LSB
10
1
LSB
LSB
LSB
11
2
12
2514P–AVR–07/06
Max
3
16
8
X
17
ns