Specifications

October 25, 2006 Cypress Semiconductor – Rev. ** 9
LIN Bus 2.0 Reference Design 1. LIN Bus 2.0 Kit
1.5 Master Node Port Pin Usage
The pin usage for the LIN bus PSoC master node is as fol-
lows:
1.6 Slave 1 Port Pin Usage
The section details the pin usage for the LIN bus PSoC
slave 1:
Table 1-1. Port 0 – Pins Connect to User-Accessible
Header Row
0 Not used
1 Not used
2 Not used
3 Not used
4 Not used
5 LIN bus RX
4 LIN bus TX
6UART RX
7UART TX
Table 1-2. Port 1 – Pins Connect to User-Accessible
Header Row and LEDs
0 Crystal out
1Crystal in
2 LED controlled by slave 2, Port0_7 switch
3
LED controlled by slave
2, Port0_2 switch
4 LED controlled by slave 1, Port2_4 switch
5 LED controlled by slave 1, Port2_5 switch
6 LED controlled by slave 1, Port2_6 switch
7 LED controlled by slave 1, Port2_7 switch
Table 1-3. Port 2 – Pins Connect to User-Accessible
Header Row and Dip-Switches
0 Switch controls slave 1, Port1_0 LED
1 Switch controls slave 1, Port1_1 LED
2 Switch controls slave 1, Port1_2 LED
3 Switch controls slave 1, Port1_3 LED
4 Switch controls slave 1, Port1_4 LED
5 Switch controls slave 1, Port1_5 LED
6 Switch controls slave 1, Port1_6 LED
7 Switch controls slave 1, Port1_7 LED
Table 1-4. Port 0 – Pins Connect to User-Accessible
Header Row
0 Not used
1 Common point of measured resistance and reference
resistance
2 Reference resistance
3 Measured resistance
4 LIN bus TX
5 LIN bus RX
6 Not used
7 Not used
Table 1-5. Port 1 – Pins Connect to User-Accessible
Header Row and LEDs
0 LED controlled by master, Port2_0 switch
1 LED controlled by master, Port2_1 switch
2 LED controlled by master, Port2_2 switch
3 LED controlled by master, Port2_3 switch
4 LED controlled by master, Port2_4 switch
5 LED controlled by master, Port2_5 switch
6 LED controlled by master, Port2_6 switch
7 LED controlled by master, Port2_7 switch
Table 1-6. Port 2 - Pins Connect to User-Accessible
Header Row and Dip-Switches
0 Switch not used
1 Switch not used
2 Switch controls slave 2, Port1_1 LED blinking control
3 Switch controls slave 2, Port1_0 LED blinking control
4 Switch controls master, Port1_4 LED
5 Switch controls master, Port1_5 LED
6 Switch controls master, Port1_6 LED
7 Switch controls master, Port1_7 LED