MEGA128CAN Datasheet, PDF (362/413 Pages) ATMEL Corporation – Microcontroller WITH 128K BYTES OF ISP FLASH AND CAN CONTROLLER

Figure 172. SPI Interface Timing Requirements (Slave Mode)
SS
SCK
(CPOL = 0)
18
9
SCK
(CPOL = 1)
13
14
MOSI
(Data Input)
MSB
...
15
MISO
(Data Output)
MSB
...
10
16
11
11
12
LSB
17
LSB
X
CAN Physical Layer Characteristics
Only pads dedicated to the CAN communication belong to the physical layer.
Table : CAN Physical Layer Characteristics ⁽¹⁾
Parameter
Condition
1
TxCAN output delay
2
RxCAN input delay
Vcc=2.7 V
Load=20 pF
V_OL/V_OH=V_CC/2
Vcc=4.5 V
Load=20 pF
V_OL/V_OH=V_CC/2
Vcc=2.7 V
V_IL/V_IH=V_CC/2
Vcc=4.5 V
V_IL/V_IH=V_CC/2
Min.
Max.
9
Units
5.3
ns
/ f 9 + ¹ CLK_IO(2)
/ f 7.2 + ¹ CLK_IO(2)
Notes: 1. Characteristics for CAN physical layer have not yet been finalized.
2. Metastable immunity flip-flop.
362 AT90CAN128
4250E–CAN–12/04