Chapter 3 Port Functions
52
I/O Port Configuration and Functions
P27
Reset signal input
Port output data
Special input
Special
function
output
Figure 3-3-6 Configuration and Functions of P27
Schmitt trigger input
Reset
S
D
Q
Write
L
Special function
Control bit
Register
(address)
P27
RST
Soft reset output
P2OUT7
P2OUT
(x'03F12')