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CHAPTER 2 PIN FUNCTION
Preliminary User’s Manual U13420EJ2V0UM00
2.3 Pin I/O Circuits and Recommended Connections of Unused Pins
The input/output circuit type of each pin and recommended connections of unused pins are shown in Table 2-1.
For the input/output circuit configuration of each type, refer to Figure 2-1.
Table 2-1. Connections of Unused Pins
Pin Name
Input/Output
Input/Output
Recommended Connections of Unused Pins
Circuit Type
P00/INTP0 to P03/INTP3
8-C
Input/output
Independently connect to V
SS0
via a resistor.
P04 to P07
P20/T100/TO0
Independently connect to V
DD0
or V
SS0
via a resistor.
P21/T101
P22/TI50/TO50
P23/TI51/TO51
P24 to P27
P30 to P37
P40/AD0 to P47/AD7
5-H
Independently connect to V
DD0
via a resistor.
P50/A8 to P57/A15
Independently connect to V
DD0
or V
SS0
via a resistor.
P64/RD
P65/WR
P66/WAIT
P67/ASTB
P70/PCL
P71/ASCK0
8-C
P72/TxD0
5-H
P73/RxD0
8-C
P74/SCK30
P75/SDIO30
5-H
P76, P77
8-C
P80/STB
5-H
P81/BUSY
8-C
P82/SCK1
P83/SO1
5-H
P84/SI1
8-C
P90/SCK31
P91/SO31
5-H
P92/SI31
8-C
ANI0 to ANI7
7-B
Input
Independently connect to V
DD0
or V
SS0
via a resistor.
XT1
16
Connect to V
DD0
.
XT2
—
Leave open.
RESET
2
Input
—
AV
REF
—
—
Connect to V
SS0
.
AV
SS
IC (for mask ROM version)
Directly connect to V
SS0
or V
SS1
.
V
PP
(for flash memory version)
Содержание mPD780065 Series
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