A SERVICE OF

logo

Open as PDF
next previous
88
CHAPTER 4 I/O PORTS
■ Port 3 register
The port 3 register consists of PDR3. Each bit in the register has a one-to-one relationship with a port 3 pin.
Table 4.5-2 "Correspondence between pin and register for port 3" shows the correspondence between the
pins and register for port 3.
Table 4.5-2 Correspondence between pin and register for port 3
Port Correspondence between register bit and pin
Port 3
PDR3 Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Corresponding pin -- -- -- -- P33 P32 P31 P30