RM0345 datasheet(15/38 Pages) STMICROELECTRONICS

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RM0345

Development connector

Doc ID 024080 Rev 3

15/38

Development connector

The JTAG signals and Nexus functionality with 12 Message Data Out (MDO) signals are

available on the JP1 development connector (Nexus connector).

A hardware control bit in the SPC563M64xx Nexus port controller, is used to control whether

the added signals for full width trace port are routed to the MDO[4:11] signals, or the

CAL_MDO[4:11] signals. This control bit is set by the cut trace J1 (default close) on the

NEXUSCFG pin of the SPC563M64xx device, as on the

calibration board the

CAL_MDO[4:11] signals are routed to the JP1 development connector.

Figure 8.

JP1 development connector

The option cut trace J3, J5 and J10 are listed on Figure 5.

Table 5.

J3, J5 and J10 option cut traces

option

name

Function

Value

Note

CLKOUT

open

CLKOUT signal is disconnected to the Nexus JP1

connector

(default)

CLKOUT signal is connected to the Nexus JP1

connector

VSTBY

open

VSTBY signal is disconnected to the Nexus JP1

connector

(default)

VSTBY signal is connected to the Nexus JP1

connector

J10

BOOTCFG1

open

BOOTCFG1 signal is disconnected to the Nexus

JP1 connector

(default)

BOOTCFG1 signal is connected to the Nexus

JP1 connector

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