Input/Output Signals - NEC IE-78K0-NS-P04 Preliminary User's Manual

IE-78K0-NS-P04, IE-1615-NS-EM4

4.1 Input/Output Signals

<1> Signals which are input or output from the gate array (µPD7880, µPD7881).
<2> Signals which are input or output from the gate array (µPD7883).
<3> Signals wich are input or output from the µPD780009 emulation CPU
<4> Other signals
The IE system circuit is used as follows for above mentioned signals.
(1) Signals which are input or output from the gate array (µPD7880, µPD7881)
P00 to P02, P06, P07
P10/ANI0 to P17/ANI7
P40 to P46
P80 to P87
P90 to P97
P100 to P107
P110 to P117
P120 to P127
AV /AV
DD REF
AV
SS
TxVAN
Rx0VAN
Rx1VAN
Rx2VAN
(2) Signals which are input or output from the µPD78P0308
S0 to S39
COM0 to COM4
V to V
LC0 LC2
(3) Signals which are input or output from the µPD780009 emulation CPU
X1
CL1
RESET
(4) Other signals
P47
V 0, V 1
DD DD
V 0, V 1
SS SS
X2
CL2
V /Test
PP
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