Yamaha MCX-1000 Service Manual page 44

MCX-1000
IC301 : YDC130-F (MAIN P.C.B.)
ACDR3
Pin No. Terminal Name
156 /CS0B
157 /CS1B
158 HINTRQB
159 /DMACKB
160 DMARQB
I/O I : Input O : Output
+ : Pull-up resistor built-in
DC C : CMOS level
44
I/O DC Level
OT O IDE interface
OT O IDE interface
I T IDE interface
OT C IDE interface
I T IDE interface
I/O : Bi-directional $ : Clock signal
A : Analog terminal
T : TTL level
Function
Chip select output B
Chip select output B
Interrupt request B
DMA acknowledge output B
DMA data request input B
OT : Tri-state output
OD : Open drain