Recommended Connection Of Unused Pins - NEC uPD75P3116 Datasheet

3.4 Recommended Connection of Unused Pins

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