Motorola MC68VZ328 - Manual (Page 184)

10-14 MC68VZ328 User’s Manual
Programming Model
10.4.3.5 Port C Select Register
The Port C select register (PCSEL) determines if a bit position in the Port C data register (PCDATA) is
assigned as a GPIO or to a dedicated I/O function. The settings for the bit positions are shown in
Table 10-16.
PCSEL Port C Select Register 0x(FF)FFF413
BIT 7 6 5 4 3 2 1 BIT 0
SEL7 SEL6 SEL5 SEL4 SEL3 SEL2 SEL1 SEL0
TYPE rw rw rw rw rw rw rw rw
RESET
1 1 1 1 1 1 1 1
0xFF
Table 10-16. Port C Select Register Description
Name Description Setting
SELx
Bits 7–0 Select—These bits select whether the internal chip
function or I/O port signals are connected to the
pins. 0 = The dedicated function pins are
connected.
1 = The I/O port function pins are connected.