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Debug lcd module, Table 6-3 – Renesas H8SX/1648 User Manual

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Description

Function

Circuit Net

Name

Device

Pin

Fit for RS232

Remove for RS232

SCI1

Programming serial port

TXD1

59

R31

R37, R32

SCI1

Programming serial port

RXD1

55

R30

R36, R33

SCI4

Spare Serial Port

TXD4

107

R37

R31, R32

SCI4

Spare Serial Port

RXD4

108

R36

R30, R33

Table 6-3: Serial Port settings

The SCI1 port is also available on J2 and JA2. The SCI4 port is available on J3.

6.5. Debug LCD Module

A debug LCD module is supplied to be connected to the connector LCD. This should be fitted so that the debug LCD module lies over J3.

Care should be taken to ensure the pins are inserted correctly into LCD. The debug LCD module uses a 4 bit interface to reduce the pin

allocation. No contrast control is provided; this is set by a resistor on the supplied display module. The module supplied with the RSK only

supports 5V operation.

Table 6-4 shows the pin allocation and signal names used on this connector.

LCD

Pin

Circuit Net Name

Device

Pin

Pin

Circuit Net Name

Device

Pin

1 Ground

-

2 5V

Only

-

3 No

Connection

-

4

DLCDRS (P33)

62

5

R/W (Wired to Write only)

-

6

DLCDE + 100k pull down to ground (PC4)

47

7 No

Connection

-

8 No

connection

-

9 No

Connection

-

10 No

connection

-

11

DLCDD4 (PC0)

45

12

DLCDD5 (PC1)

46

13

DLCDD6 (PC2)

116

14

DLCDD7 (PC3)

117

Table 6-4 Debug LCD Module Connections

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