UPD78F4216A Datasheet, PDF (16/60 Pages) NEC – MOS INTEGRATED CIRCUIT

µPD78F4216A, 78F4218A, 78F4216AY, 78F4218AY
4.3 Pin I/O Circuits and Recommended Connections of Unused Pins
The I/O circuit type of each pin and recommended connections of unused pins are shown in Table 4-1.
For each type of input/output circuit, refer to Figure 4-1.
Table 4-1. Types of Pin I/O Circuits and Recommended Connection of Unused Pins (1/2)
Pin Name
P00/INTP0
P01/INTP1
P02/INTP2/NMI
P03/INTP3 to P06/INTP6
P10/ANI0 to P17/ANI7
P20/RxD1/SI1
P21/TxD1/SO1
P22/ASCK1/SCK1
P23/PCL
P24/BUZ
P25/SI0/SDA0^{Note 1}
I/O Circuit Type
I/O
Recommended Connection of Unused Pins
8-N
I/O
Input: Independently connect to VSS via a resistor
Output: Leave open
9
10-K
10-L
10-K
10-L
10-K
Input
I/O
Connect to VSS or VDD
Input: Independently connect to VSS via a resistor
Output: Leave open
P26/SO0
P27/SCK0/SCL0^{Note 1}
10-L
10-K
P30/TO0 to P32/TO2
P33/TI1, P34/TI2
P35/TI00, P36/TI01
P37/EXA^{Note 2}
12-E
8-N
10-M
12-E
P40/AD0 to P47/AD7
P50/A8 to P57/A15
P60/A16 to P63/A19
P64/RD
P65/WR
P66/WAIT
P67/ASTB
P70/RxD2/SI2
P71/TxD2/SO2
P72/ASCK2/SCK2
P80/A0 to P87/A7
P90 to P95
P100/TI5/TO5
P101/TI6/TO6
P102/TI7/TO7
P103/TI8/TO8
P120/RTP0 to P127/RTP7
P130/ANO0, P131/ANO1
5-A
8-N
10-M
8-N
12-E
13-D
8-N
12-E
12-F
Notes 1. The SDA0 and SCL0 pins are available in the µPD78F4216AY, 78F4218AY only.
2. The EXA pin is available in the µPD78F4218A, 78F4218AY only.
16
Data Sheet U14125EJ1V0DS00