NEC uPD75P3116 - Manual (Page 13)

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PD75P3116
13 Data Sheet U11369EJ3V0DS
3.4 Recommended Connection of Unused Pins
Table 3-1. List of Unused Pin Connections
Pin Recommended Connection
P00/INT4 Connect to Vss or V DD .
P01/SCK Input: Independently connect to Vss or V DD via a resistor.
P02/SO/SB0 Output: Leave open.
P03/SI/SB1 Connect to Vss.
P10/INT0 and P11/INT1 Connect to Vss or V DD .
P12/TI1/TI2/INT2
P13/TI0
P20/PTO0 Input: Independently connect to Vss or V DD via a resistor.
P21/PTO1 Output: Leave open.
P22/PTO2/PCL
P23/BUZ
P30/LCDCL/MD0
P31/SYNC/MD1
P32/MD2
P33/MD3
P50/D4 to P53/D7 Input: Connect to Vss.
Output: Connect to Vss.
P60/KR0/D0 to P63/KR3/D3 Input: Independently connect to Vss or V DD via a resistor.
Output: Leave open.
S0 to S15 Leave open.
COM0 to COM3
S16/P93 to S19/P90 Input: Independently connect to Vss or V DD via a resistor.
S20/P83 to S23/P80 Output: Leave open.
V LC0 to V LC2 Connect to Vss.
BIAS Connect to Vss only when none of V LC0 , V LC1 or V LC2 is used.
In other cases, leave open.
XT1 Note Connect to Vss.
XT2 Note Leave open.
V
PP
Always connect to V
DD
directly.
Note When the subsystem clock is not used, select SOS.0 = 1 (on-chip feedback
resistor not used).