Zilog Z80195 Manual de usuario descargar pdf (Pagina 40)

4-4

Z80185/195 DEVELOPMENT KIT

USER'S MANUAL

UM951800100

ZILOG

Serial Interface Jumper Settings (Continued)

ASCI0 Signals

Jumper Numbers Description

J7 4–5 To use ASCI0 CKA0 as an input from J12 or J13.

J7 5–6 To use ASCI0 CKA0 as an output on J12 or J13.

Modem Control Signals

J14 allows jumpering between modem control inputs and outputs for J10-13 as shown below.

Jumper Numbers Description

J14 8 “DSR” input from J10 or “DTR” input from J11.

J14 10 “DCD” output to J11.

J14 12 “DTR” output to J12 or “DCR” output to J13.

J14 14 “DSR” input from J12 or “DTR” input from J13. J14-16 is

“DCD” output to J13.

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Zilog Z80195 Manual de usuario Pagina 40