PD780701Y_15 Datasheet, PDF (17/66 Pages) Renesas Technology Corp – 8-BIT SINGLE-CHIP MICROCONTROLLER

µPD780701Y, 780702Y
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.
For the input/output circuit configuration of each type, refer to Figure 2-1.
Table 2-1. Types of Pin Input/Output Circuits
Pin Name
Input/Output Circuit Type
P00/INTP0 to P07/INTP7
8-C
P20/SI31
P21/SO31
5-H
P22/SCK31
8-C
P23/BUZ
5-H
P24/RxD0
8-C
P25/TxD0
5-H
P26/ASCK0
8-C
P27/PCL
5-H
P30/SI30
8-C
P31/SO30
5-H
P32/SCK30
8-C
P33
13-P
P34/TO00
5-H
P35/TI000
8-C
P36/TI010
P40 to P47
5-H
P50 to P57
5-T
P64 to P67
5-H
P70/TI52/TO52
P71/SDA0
13-R
P72/SCL0
P73/TO01
5-H
P74/TI001
8-C
P75/TI011
P76/TI50/TO50
P77/TI51/TO51
P80/ANI0 to P87/ANI7
11-E
P90/ANI8 to P97/ANI15
CRXD^{Note 1}
2
CTXD^{Note 1}
3-B
IRX0^{Note 2}
2
ITX0^{Note 2}
3-B
RESET
2
AVREF
−
AVSS
IC
Notes 1. µPD780701Y only
2. µPD780702Y only
I/O
Input/output
Input
Output
Input
Output
Input
−
Recommended Connection of Unused Pins
Independently connect to VSS0 via a resistor.
Independently connect to VDD0 or VSS0 via a resistor.
Connect to VDD0 via a resistor.
Independently connect to VDD0 or VSS0 via a resistor.
Independently connect to VDD0 via a resistor.
Independently connect to VDD0 or VSS0 via a resistor.
Independently connect to VDD0 via a resistor.
Independently connect to VDD0 or VSS0 via a resistor.
Connect to VDD0 or VSS0 via a resistor.
Leave open.
Connect to VDD0 or VSS0 via a resistor.
Leave open.
−
Connect to VDD0.
Connect to VSS0.
Connect directly to VSS0 or VSS1.
Preliminary Product Information U13920EJ1V0PM00
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