Sony CFD-S20CP Service Manual page 18

CFD-S20CP
Pin No. Pin Name
71 CNTOK
72 OVF
73 CMDOUT
74 CMDIN
75 CL
76 CE
77 INTB
78 RESB
79 DATAIN
80 DATACK
18
I/O
Data connecting point detection completion flag output (at CD-DA, H: active)/DRAM
O
data serial output (at CD-ROM, H: active) (Not used. (Open))
DRAM write discontinue flag output (at CD-DA, H: active)/DRAM data transfer
O
clock output (at CD-ROM, H: active) (Not used. (Open))
O Command serial data output (Nch open drain output pin)
I Command serial data input
I Command serial clock input
I Command enable input (H: active)
O Interrupt signal output (L: active)
I System reset input (L: active)
I CD serial data input
I CD bit clock input
Pin Description