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Renesas H8SX/1668R Manuel D’Utilisation

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Option Link Settings 
Reference 
Function 
Fitted 
Alternative (Removed) 
Related To 
R15 Serial 
Port 
Configuration 
Connects serial port SCI5 (Tx) to 
D-type connector (J8). 
Disconnects serial port SCI5 
(Tx) from D-type connector (J8). 
R28, R34, R35 
R19 Serial 
Port 
configuration 
Disables RS232 Serial 
Transceiver 
Enables RS232 Serial 
Transceiver 
- 
R28 Serial 
Port 
Configuration 
Connects serial port SCI5 (Rx) to 
D-type connector (J8). 
Disconnects serial port SCI5 
(Rx) from D-type connector (J8). 
R15, R34, R35 
R30 Serial 
Port 
Configuration 
Routes on-board serial port to 
SCI0 (Rx) microcontroller pin. 
Disconnects on-board serial port 
from the CPU’s SCI0 (Rx) pin. 
R31, R32, R33, 
R36, R37 
R31 Serial 
Port 
Configuration 
Routes on-board serial port to 
SCI0 (Tx) microcontroller pin. 
Disconnects on-board serial port 
from the CPU’s SCI0 (Tx) pin. 
R30, R32, R33, 
R36, R37 
R32 Serial 
Port 
Configuration 
Routes serial port SCI0 (Tx) to JA6 
header. 
Disconnects serial port SCI0 
(Tx) from JA6 header. 
R30, R31, R33 
R33 Serial 
Port 
Configuration 
Routes serial port SCI0 (Rx) to JA6 
header. 
Disconnects serial port SCI0 
(Rx) from JA6 header. 
R30, R31, R32 
R34 Serial 
Port 
Configuration 
Routes on-board serial port to SCI5 
(Tx) microcontroller pin. 
Disconnects on-board serial 
port from SCI5 (Tx) CPU pin. 
R15, R28, R35 
R35 Serial 
Port 
Configuration 
Routes on-board serial port to SCI5 
(Rx) microcontroller pin. 
Disconnects on-board serial 
port from SCI5 (Rx) CPU pin. 
R15, R28, R34 
R36 Serial 
Port 
Configuration 
Connects PTRX of programming port 
to the on-board serial port (J8). 
Disconnects programming port 
PTRX from the on-board serial 
port (J8). 
R37, R31, R30 
R37 Serial 
Port 
Configuration 
Connects PTTX of programming port 
to the on-board serial port (J8). 
Disconnects programming port 
PTTX from the on-board serial 
port (J8). 
R36, R30. R31 
Table 6-5: Serial port configuration links. 
Table 6-6 below describes the function of the option links associated with application board interface. The default configuration is indicated 
by BOLD text. 
Option Link Settings 
Reference 
Function 
Fitted 
Alternative (Removed) 
Related To 
R68 Application 
board interface 
Use DA0 of application board 
interface. 
Use AN6 of application board 
interface. 
R108 
R108 Application 
board interface 
Use AN6 of application board 
interface. 
Use DA0 of application board 
interface. 
R68 
 
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