Yamaha MCR-330 Service Manual page 40

CRX-330/NS-BP100
No. Port Name
50 N.C.
51
N.C.
52
53 VSS
54 STREQ
55 CS
56 N.C.
57 TX
58 RX
59 STCLK
60 N.C.
61 STDATA
62 VDDI
63
N.C.
64
40
Function Name
Ground
PD5/IRQ2 External interrupt request signal input terminal
PD4/IRQ1 External interrupt request signal input terminal
PD1/SBI2 Clock synchronization/start stop synchronization serial terminal
PD0/SBO2 Clock synchronization/start stop synchronization serial terminal
P92/SBT0 Serial clock input/output terminal
P90/SBO0 Serial data output terminal
Power supply for internal circuit (1.8V ±0.15V)
Connect all VDD18 terminals outside of chip.
VDD18
Also, connect a 10μF capacitor between VDD18 and VSS of No.10 pin and place it
near LSI.
Detail of Function