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.
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