Compuprint 9058 Programmer Manual Instrukcja Użytkownika Pobierz pdf (Strona 135)

The Parallel Interface

A78408098-003

C.6

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1284 Mode signal names are shown with their Compatibility mode

(Centronics) names in parenthesis ( ) for the bidirectional link.

Signal Name Pin N° for

Signal Wire

Pin N° for

Return Wire

Source

HostClk (nStrobe) 1 19 HOST

AD1 (Data 1)

AD2 (Data 2)

AD3 (Data 3)

AD4 (Data 4)

AD5 (Data 5)

AD6 (Data 6)

AD7 (Data 7)

AD8 (Data 8)

HOST in Compatibility mode

and negotiation phase.

NOT USED in Nibble mode.

BIDIRECTIONAL in Byte

mode.

PrtClk (nAck) 10 28 PRINTER

PrtBusy (Busy) 11 29 PRINTER

AckDataReq (PError) 12 28 PRINTER

Xflag (Select) 13 28 PRINTER

HostBusy (nAutofd) 14 30 HOST

Peripheral Logic High

(+ 5V)

18 PRINTER

n.a. (nInit) 31 30 HOST

nDataAvail (NFault) 32 29 PRINTER

1284 Active (NSelectIn) 36 30

Common Logic Ground 16 and Return Wires

Chassis Ground 17

1 2 ... 130 131 132 133 134 135 136 137 138 139 140 141 142 143

Brak uwag

Compuprint 9058 Programmer Manual Instrukcja Użytkownika Strona 135