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CHAPTER 2 PIN FUNCTION
Preliminary User’s Manual U14581EJ3V0UM00
2.3 Input/Output Circuits and Recommended Connection of Unused Pins
Table 2-1 shows the input/output circuit types of pins and the recommended connection for unused pins.
See Figure 2-1 for the configuration of the input/output circuit of each type.
Table 2-1. Pin Input/Output Circuit Types
Pin Name
Input/Output Circuit Type
Input/Output
Recommended Connection of Unused Pins
P00/INTP0 to P02/INTP2
8-A
Input/output
Independently connect to V
SS0
via a resistor.
P03/SCK2
P04/SO2
P05/SI2
P06, P07
P10/ANI0 to P14/ANI4
9
Input
Independently connect to V
DD0
or V
SS0
via a resistor.
P20/SM11 to P23/SM14
4
Output
Leave open.
P24/SM21 to P27/SM24
P30/SM31 to P33/SM34
P34/SM41 to P37/SM44
P40/TI00 to P42/TI02
8
Input/output
Independently connect to V
DD0
or V
SS0
via a resistor.
P43/TIO2
P44/TIO3
P50/SCK3
P51/SO3
5
P52/SI3
8
P53/RxD
P54/TxD
5
P60/PCL/TPO
P61/SGO
P81/S19 to P87/S13
17-G
P90/S12 to P97/S5
S0 to S4
17
Output
Leave open.
COM0 to COM3
18
V
LCD
—
—
RESET
2
Input
—
SMV
DD
—
—
Connect to V
DD0
.
SMV
SS
Connect to V
SS0
.
AV
REF
Connect to V
DD0
.
AV
SS
Connect to V
SS0
.
V
PP
Connect directly to V
SS0
or V
SS1
.
IC
Содержание mPD780852 Series
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