STR720-EVAL datasheet(16/32 Pages) STMICROELECTRONICS

部件名	STR720-EVAL

功能描述	Evaluation Board for STR72xF

PDF	32 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

16 / 32 page

3 Connectors

STR720-EVAL

15/31

3.3

RS232 serial data connector

9-pin general purpose D-type male connectors

3.4

Debug

Figure 11. RS232 transmit and receive connectors: CN7, CN8

Table 10.

RS232 connector pinout: CN7, CN8

Description

Shorted to pin 4 and 6

Shorted to pin 1 and 6

Shorted to pin 8

R1IN (port A), R2IN (port B)

GROUND

Shorted to pin 7

T1OUT (port A), T2OUT (port B) 6

Shorted to pin 1 and 4

Not connected

Figure 12. JTAG standard interface: CN9

Table 11.

JTAG interface pinout: CN9

Description

4, 6, 8, 10, 12, 14,

16, 18, 20

GROUND

TCK

VTref+3.3 V

RTCK (GROUND)

Vsupply +3.3 V

TD0

notTRST

notReset

TDI

DBGRQS pulled low

TMS

DBGACK pulled low

RS232 - Data A

RS232 - Data B

Debug-JTAG port

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