RH850/U2A 144pin 7. Connectors
R20UT5089ED0101 Rev.1.01 Page 21 of 56
July 08, 2022
7. Connectors
7.1 Connectors to the Main Board CN1 to CN3
Three connectors (CN1 to CN3) are available to connect the piggyback board to a Main Board.
The signals of each connector are summarized in the following tables.
Note
Regarding the function on the Main Board, please refer to the User's Manual of any supported Main Board.
Refer to 1.2 Supported Main Boards for a list of supported Main Boards.
7.1.1 Main Board Connector CN1
Table 7.1 Main board connector CN1 (cont'd)
Pin Main Board function Piggyback board
device port
Pin Main Board function Piggyback board
device port
1 VDDA ‒ 2 VDDA ‒
3 VDDA ‒ 4 VDDA ‒
5 RESET RESETZ 6 NMI P4_7
7 ‒ ‒ 8 ‒ ‒
9 INT0 P10_12 10 INT1 P20_5
11 INT2 P3_7 12 INT3 P4_0
13 ‒ ‒ 14 ‒ ‒
15 UART0TX P6_5 16 UART1TX P6_15
17 UART0RX P6_4 18 UART1RX P6_9
19 LIN0TX P4_8 20 LIN1TX P6_5
21 LIN0RX P4_9 22 LIN1RX P6_4
23 IIC0SCL P10_1 24 IIC1SCL ‒
25 IIC0SDA P10_0 26 IIC1SDA ‒
27 CAN0TX P6_14 28 CAN1TX P4_9
29 CAN0RX P6_13 30 CAN1RX P4_10
31 SENT0RX P20_2 32 SENT1RX P20_3
33 SENT0SPCO P6_14 34 SENT1SPCO P20_9
35 PSI5SRX0 P3_6 36 PSI5RX0 P5_4
37 PSI5STX0 P3_7 38 PSI5TX0 P5_6
39 PSI5SCLK0 ‒ 40 ‒ ‒
41 FLX0TX P20_7 42 FLX0EN P20_5
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