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ZC702 Board User Guide
www.xilinx.com
39
UG850 (v1.2) April 4, 2013
Feature Descriptions
Information about the TCA641APWR is available at the Texas Instruments website
[Ref 12]
.
High Speed CAN Transceiver
[
Figure 1-2
, callout
21
]
The TJA1040 (U14) is an advanced high speed Controller Area Network (CAN) transceiver for
use in automotive and general industrial applications. It supports the differential bus signal
representation described in the international standard for in-vehicle high speed CAN
applications (ISO 11898).
Figure 1-19
shows the controller area network (CAN) bus interface.
X-Ref Target - Figure 1-18
Figure 1-18:
I/O Expansion Header Circuit
UG850_c1_18_030513
GND
IIC_PORT_EXPANDER_SDA
TCA641APWR
16-Bit I
2
C and SMBus
I/O Expander
23
22
21
1
U80
3
12
GND
13
14
15
17
19
18
16
20
INT_B
RESET_B
ADDR
SCL
SDA
P17
P16
P15
P14
P13
P12
P11
P10
4
5
6
8
10
9
7
11
P07
P06
P05
P04
P03
P02
P01
P00
24
VCCP
2
VCCI
VCC3V3
GND
C502
0.1
µ
F
10V
X5R
C521
0.1
µ
F
10V
X5R
GND
VCC3V3
R363
0
0.1W
R408
4.7k
Ω
0.1W
R360
DNP
GND
IIC_PORT_EXPANDER_SCL
IIC_PMOD_1
IIC_PMOD_0
IIC_PMOD_2
IIC_PMOD_3
IIC_PMOD_5
IIC_PMOD_4
IIC_PMOD_6
IIC_PMOD_7
1
3
5
7
9
11
GND
GND
2
4
5
8
10
12
VCC3V3
J54
I/O Expansion
Header
To U44
PCA95498A
8-Channel I
2
C
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