UPD750066CUA データシートの表示（PDF） - NEC => Renesas Technology

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UPD750066CUA

4 BIT SINGLE CHIP CMOS MICROCOMPUTERS

NEC => Renesas Technology 

µPD750064, 750066, 750068, 750064(A), 750066(A), 750068(A)

3.4 Recommended Connection of Unused Pins

Table 3-1. List of Recommended Connection of Unused Pins

Pin

P00/INT4

P01/SCK

P02/SO/SB0

P03/SI/SB1

P10/INT0, P11/INT1

P12/TI1/INT2

P13/TI0

P20/PTO0

P21/PTO1

P22/PCL

P23/BUZ

P30 to P33

P40 to P43

P50 to P53

P60/KR0/AN4 to

P63/KR3/AN7

P110/AN0 to P113/AN3

XT1Note

XT2Note

IC

AVREF

AVSS

Recommended Connection

Connect to VSS or VDD.

Independently connect to VSS or VDD via a resistor.

Connect to VSS.

Connect to VSS or VDD.

Input state:

Output state:

Independently connect to VSS or VDD

via a resistor.

Leave open.

Connect to VSS (do not connect a pull-up resistor

of mask option).

Input state:

Output state:

Independently connect to VSS or VDD

via a resistor.

Leave open.

Connect directly to VSS or VDD.

Connect to VSS.

Leave open.

Connect directly to VDD.

Connect to VSS.

Note When the subsystem clock is not used, set SOS.0 to 1 (so as not to

use the internal feedback resistor).

Data Sheet U10165EJ2V0DS00

15

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