UPD784938 Datasheet, PDF (149/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 6 PORT FUNCTIONS
Figure 6-31. Port 3 Mode Control Register (PMC3) Format
7
6
5
4
3
2
1
0 Address After reset R/W
PMC3 PMC37 PMC36 PMC35 PMC34 PMC33 PMC32 PMC31 PMC30 0FF43H
00H
R/W
PMC30 P30 Pin Control Mode Specification
0 Input/output port mode
1 RxD/SI1 input mode
PMC31 P31 Pin Control Mode Specification
0 Input/output port mode
1 TxD/SO1 output mode
PMC32 P32 Pin Control Mode Specification
0 Input/output port mode
1 SCK0 Input/output mode
PMC33 P33 Pin Control Mode Specification
0 Input/output port mode
1 SO0 output mode
PMC3n
P3n Pin Control Mode Specification
(n = 4 to 7)
0 Input/output port mode
1 TOn output mode (n = 0 to 3)
Preliminary User’s Manual U13987EJ1V0UM00
149