Figure 26-4. SPI Interface Timing Requirements (Slave Mode)
SS
16
9
10
SCK
(CPOL = 0)
11
11
SCK
(CPOL = 1)
13
14
12
MOSI
MSB
...
...
LSB
(Data Input)
17
15
MISO
(Data Output)
MSB
LSB
X
26.8 CAN Physical Layer Characteristics
Only pads dedicated to the CAN communication belong to the physical layer.
Table 26-5. CAN Physical Layer Characteristics(1)
No.
Parameter
Condition
Min.
Max.
Unit
VCC = 2.7V
Load = 20pF
12
VOL/VOH = VCC/2
1
TxCAN output delay
VCC = 4.5V
Load = 20pF
7
ns
VOL/VOH = VCC/2
VCC = 2.7V
VIL/VIH = VCC/2
(2)
9 + 1/fCLKIO
3
RxCAN input delay
VCC = 4.5V
VIL/VIH = VCC/2
(2)
7.2 + 1/fCLKIO
Notes: 1. From design simulations.
2. Metastable immunity flip-flop.
ATmega16/32/64/M1/C1 [DATASHEET]
279
7647O–AVR–01/15
MICROCHIP [ MICROCHIP ]
