Yamaha CD-1330 Service Manual page 27

No. Port Name Function Name
51
N.C.
52
53 VSS
54 STREQ PD5/IRQ2
55 CS PD4/IRQ1
56 N.C.
57 TX PD1/SBI2
58 RX PD0/SBO2
59 STCLK P92/SBT0
60 N.C.
61 STDATA P90/SBO0
62 VDDI VDD18
63
N.C.
64
Detail of Function
Ground
External interrupt request signal input terminal
External interrupt request signal input terminal
Clock synchronization/start stop synchronization serial terminal
Clock synchronization/start stop synchronization serial terminal
Serial clock input/output termina
Serial data output terminal
Power supply for internal circuit (1.8V ±0.15V)
Connect all VDD18 terminals outside of chip.
Also, connect a 10μF capacitor between VDD18 and VSS of No.10 pin and place it
near LSI.
CD-1330
27