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RH850/U2A 292pin
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
1
VDDA
3
VDDA
5
RESET
‒
7
9
INT0
11
INT2
‒
13
15
UART0TX
17
UART0RX
19
LIN0TX
21
LIN0RX
23
IIC0SCL
25
IIC0SDA
27
CAN0TX
29
CAN0RX
31
SENT0RX
33
SENT0SPCO
35
PSI5SRX0
37
PSI5STX0
39
PSI5SCLK0
41
FLX0TX
43
FLX0RX
45
FLX1TX
47
FLX1RX
‒
49
51
ETH0MDIO
R20UT4545ED0102 Rev.1.02
May 27, 2021
Piggyback board
device port
‒
‒
RESETZ
‒
P10_12
P21_7
‒
P6_6
P6_5
P4_8
P4_9
P17_3
P17_2
P6_14
P6_13
P21_1
P24_6
P3_6
P3_7
P3_8
P20_7
P20_2
P20_6
P20_3
‒
P20_3
Pin
Main Board function
2
VDDA
4
VDDA
6
NMI
‒
8
10
INT1
12
INT3
‒
14
16
UART1TX
18
UART1RX
20
LIN1TX
22
LIN1RX
24
IIC1SCL
26
IIC1SDA
28
CAN1TX
30
CAN1RX
32
SENT1RX
34
SENT1SPCO
36
PSI5RX0
38
PSI5TX0
‒
40
42
FLX0EN
44
FLXSTPWT
46
FLX1EN
48
FLX CLK
‒
50
52
ETH0MDC
7. Connectors
Piggyback board
device port
‒
‒
P4_7
‒
P22_0
P2_8
‒
P6_3
P6_2
P2_5
P2_4
P22_4
P22_3
P6_8
P6_7
P21_0
P24_7
P5_4
P5_6
‒
P20_5
P20_4
P20_8
P10_8
‒
P20_6
Page 30 of 58
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