UPD75P3036 NEC, UPD75P3036 Datasheet - Page 14

• Manufacturer Part Number: UPD75P3036
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER
• Manufacturer: NEC

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14
3.4 Recommended Connection of Unused Pins
Note When the subsystem clock is not used, set SOS.0 to 1 (so as not to use
P00/INT4
P01/SCK
P02/SO/SB0
P03/SI/SB1
P10/INT0 to P12/INT2 Connect to V
P13/TI0
P20/PTO0
P21/PTO1
P22/PTO2/PCL
P23/BUZ
P30/LCDCL
P31/SYNC
P32, P33
P40 to P43
P50 to P53
P60/KR0 to P63/KR3
P70/KR4 to P73/KR7
P80/TI1
P81/TI2
P82/AN6
P83/AN7
S12 to S23
S24/BP0 to S31/BP7
COM0 to COM3
V
BIAS
XT1
XT2
AN0 to AN5
V
LC0
PP
Note
Note
to V
the internal feedback resistor).
Pin
LC2
Connect to V
Connect to V
Connect to V
Input status : connect to V
Output status: open
Connect to V
Input status : connect to V
Output status: open
Open
Connect to V
Connect to V
In other cases, leave open.
Connect to V
Open
Connect to V
Connect to V
SS
SS
SS
SS
SS
SS
SS
SS
SS
DD
or V
or V
or V
only when V
or V
or V
directly
Recommended connection
DD
DD
DD
DD
DD
via a resistor individually
SS
SS
LC0
or V
or V
to V
DD
DD
LC2
via a resistor individually.
via a resistor individually.
are all not used.
PD75P3036