Renesas EDK3687 user manual EDK Options CJ4

5.2.EDK OPTIONS – CJ4

The EDK options provide access to commonly used features of the EDK range.

These jumpers must be fitted at all times to ensure correct operation of the EDK.

Jumper	Function	Setting 1-2	Setting 2-3
CJ 4-A	Serial Receive	Routes the programming serial	Routes the programming serial port
Default 1-2	Source	port to the 9Way D Connector	to the LIN Interface
CJ 4-B	Serial Transmit	Routes the programming serial	Routes the programming serial port
Default 1-2	Destination	port to the 9Way D Connector	to the LIN Interface
CJ 4-C	Serial Receive	Enable the Flash Programming	Enable the RS232 interface data
Default 2-3	Source	header data receive	receive.
CJ 4-D	BOOT Mode	User Mode	BOOT Mode
Default 1-2	Selection

TABLE 5-1: BOARD OPTION: JUMPER SETTINGS (DEFAULT SETTINGS IN BOLD)

*See section 5.4

The following table lists the connections to each jumper pin.

Pin	Net Name	Description
1	RX232	RS232 received data
2	RX_OPT	Link to below – Data from RS232 or LIN
3	LIN_RX	LIN received data
4	TX232	RS232 transmitter
5	PTXD	Data transmission
6	LIN_TX	LIN transmitter
7	RX_HDR	Flash Programming Header received data
8	PRXD	Data reception
9	RX_OPT	Link to above – Data from RS232 or LIN
10	NC	No Connection
11	NMIn	NMI used for BOOT mode selection
12	GROUND	System Ground

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