µPD75304B,75306B,75308B
3.4 RECPMMENDED CONNECTION OF UNUSED PINS
★
Table 3-1 Connection of Unused Pins
Pin
Recommended Connection
Connect to VSS
P00/INT4
P01/SCK
P02/SO/SB0
P03/SI/SB1
Connect to VSS or VDD
Connect to VSS
P10/INT0-P12/INT2
P13/TI0
P20/PTO0
P21
P22/PCL
P23/BUZ
P30/LCDCL
P31/SYNC
Input state
:
Connect to VSS or VDD
Outputstate : Leave open
P32
P33
P40 to P43
P50 to P53
P60/KR0 to P63/KR3
P70/KR4 to P73/KR7
S0 to S23
S24/BP0 to S31/BP7
COM0 to COM3
VLC0 to VLC2
Leave open
Connect to VSS
Connect to VSS only when VLC0 to VLC2
are all unused; otherwise leave open
BIAS
XT1
XT2
Connect to VSS or VDD
Leave open
15
NEC [ NEC ]
