88
CHAPTER 4 PIN FUNCTION (
ยต
PD78054Y Subseries)
5-A
Table 4-1. Pin Input/Output Circuit Types (2/2)
Input/Output
Circuit Type
P60 to P63 (Mask ROM version) 13-B Input/output Individually connect to VDD via a resistor.
P60 to P63 (PROM version) 13-D
P64/RD Input/output
Individually connect to VDD or VSS via a resistor.
P65/WR
P66/WAIT
P67/ASTB
P70/SI2/RxD 8-A
P71/SO2/TxD 5-A
P72/SCK2/ASCK 8-A
P120/RTP0 to P127/RTP7 5-A
P130/ANO0 to P131/ANO1 12-A Input/output Individually connect to VSS via a resistor.
RESET 2 Input โ€”
XT2 16 โ€” Leave open.
AVREF0 โ€” Connect to VSS.
AVREF1 Connect to VDD.
AVDD
AVSS Connect to VSS.
IC (Mask ROM version) Directly connect to VSS.
VPP (PROM version)
Pin Name Input/Output Recommended Connection of Unused Pins