73
CHAPTER 5 PERIPHERAL HARDWARE FUNCTIONS
Figure 5-6. Configuration of Port 8
Internal bus
P80
P81
Bit 0 of
POGB
Pull-up
resistor
V
DD
P-ch
PM8
Ouput
latch
M
P
X
Output buffer
Corresponding bit of port
mode register group C
Input buffer
PM8 = 1
PM8 = 0