UPD784224 Datasheet, PDF (17/92 Pages) NEC – 16/8-BIT SINGLE-CHIP MICROCONTROLLERS

µPD784224, 784225, 784224Y, 784225Y
Table 5-1. I/O Circuit Type of Respective Pins and Recommended Connections of Unused Pins (2/2)
Pin Name
P120/RTP0 to P127/RTP7
P130/ANO0, P131/ANO1
RESET
XT1
XT2
AVREF1
AVDD
AVSS
TEST/VPP^Note
I/O Circuit Type
8-K
12-D
2-G
16
−
I/O
I/O
Input
−
Recommended Connections of Unused Pins
Input : Individually connected to VSS0 via resistor
Output: Open
−
Connected to VSS0
Open
Connected to VDD0
Connected to VSS0
Directly connected to VSS0
Note VPP pin is available in µPD78F4225, 78F4255Y only.
Remark Because the circuit type numbers are standardized among the 78K Series products, they are not
sequential in some models (i.e., some circuits are not provided).
Data Sheet U12376EJ1V0DS00
17