NEC uPD78056Y - Manual (Page 72)

72
CHAPTER 3 PIN FUNCTION (
µ
PD78054 Subseries)
Pin Name Input/Output Recommended Connection of Unused Pins
5-A
Table 3-1. Pin Input/Output Circuit Types (2/2)
Input/Output
Circuit Type
P60 to P63 (Mask ROM version) 13-B Input/output Individually connect to V DD via a resistor.
P60 to P63 (PROM version) 13-D
P64/RD Input/output Individually connect to V DD or V SS 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, P131/ANO1 12-A Input/output Individually connect to V SS via a resistor.
RESET 2 Input —
XT2 16 — Leave open.
AV REF0 — Connect to V SS .
AV REF1 Connect to V DD .
AV DD
AV SS Connect to V SS .
IC (Mask ROM version) Directly connect to V
SS
.
V
PP
(PROM version)