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UPD703003A Datasheet(PDF) 11 Page - NEC

Part # UPD703003A
Description  V853TM 32-/16-BIT SINGLE-CHIP MICROCONTROLLERS
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD703003A Datasheet(HTML) 11 Page - NEC

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11
µPD703003A, 703004A, 703025A
Data Sheet U13188EJ4V0DS00
2.3 Pin I/O Circuits and Recommended Connection of Unused Pins
The input/output circuit type of each pin and recommended connection of unused pins are shown in Table 2-1.
Figure 2-1 illustrates the various circuit types using partially abridged diagrams.
When connecting to VDD or VSS via a resistor, a resistance value in the range of 1 to 10 k
Ω is recommended.
Table 2-1. Types of Pin Input/Output Circuits (1/2)
Pin Name
Input/Output Circuit Type
Recommended Connection of Unused Pins
P00/TO110, P01/TO111
5
Input: Independently connect to VDD or VSS via a resistor.
P02/TCLR11, P03/TI11,
8
Output: Leave open.
P04/INTP110 to P07/INTP113/ADTRG
P10/TO120, P11/TO121
5
P12/TCLR12, P13/TI12
8
P14/INTP120
P15/INTP121/SO2
P16/INTP122/SI2
P17/INTP123/SCK2
P20/PWM0, P21/PWM1
5
P22/TXD0/SO0
P23/RXD0/SI0, P24/SCK0
8
P25/TXD1/SO1
5
P26/RXD1/SI1, P27/SCK1
8
P30/TO130, P31/TO131
5
P32/TCLR13, P33/TI13
8
P34/INTP130
P35/INTP131/SO3
10-A
P36/INTP132/SI3
P37/INTP133/SCK3
P40/AD0 to P47/AD7
5
P50/AD8 to P57/AD15
P60/A16 to P63/A19
P70/ANI0 to P77/ANI7
9
Connect directly to VSS.
P90/LBEN
5
Input: Independently connect to VDD or VSS via a resistor.
P91/UBEN
Output: Leave open.
P92/R/W
P93/DSTB
P94/ASTB
P95/HLDAK
P96/HLDRQ
P110/TO140, P111/TO141
P112/TCLR14, P113/TI14
8
P114/INTP140 to P117/INTP143
ANO0, ANO1
12
Leave open.
NMI
2
Connect directly to VSS.


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