Intel 8XC196NT User Manual page 156

Table of Contents

Advertisement

Internal Bus
Px_REG
SFDATA
Px_DIR
SFDIR
Px_MODE
Read Port
RESET#
Any Write to Px_MODE
0
1
0
1
Sample
Latch
Px_PIN
Q
D
LE
PH1 Clock
300ns Delay
RESET#
R
S
Figure 6-2. Bidirectional Port Structure
Vcc
Vss
150Ω to 200Ω
Vcc
Medium
Pullup
Q3
Vcc
Weak
Pullup
Q
Q4
I/O PORTS
Q1
I/O Pin
Q2
R1
A0238-04
6-7

Advertisement

Table of Contents
loading

Table of Contents