Roland DXY-1300 Command Reference Manual page 116

I/O signal cable
The w a y e ach c o n n e c to r in p u ts and o u tp u ts data is s h o w n in Fig. 5 -2 .
INPUT
Pin10 ACK
Pin11 BUSY
The I/O signal timing chart is shown in Fig. 5-3.
STB(input)
BUSY(outp ut)
ACK(out put)
DATA(input)
+ 5 V
+
STROBE
P in 2 D 0
Pin2 D0
Pin3 D1
Fig. 5-2
min 1us
min 1 u s ; min 1u
s
Input port latch
Fig. 5-3
5-2
10k
(CPU)reads in
TYP 2us