Port A (Pa.0-Pa.3); Port A Configuration - Oki ML63611 User Manual

10.4 Port A (PA.0–PA.3)
The ML63611 has Port A, a 4-bit input/output port.

10.4.1 Port A Configuration

The circuit configuration for port A is shown in Figure 10-4.
PA.0–PA.3
OPTION A (C): 1.5 V (3.0 V), Without regulator
circuit for LCD bias
V
DD
V
4
SS
V
DD
pull-down
V
SS
Figure 10-4 Input/Output Port A Configuration
10 – 7
Chapter 10 Ports (INPUT, I/O PORT)
Output
port
control
PACON0
PACON1
Pull-up/
control
OPTION B (D): 1.5 V (3.0 V), With regulator
ML63611 User's Manual
Data bus
PAD
4
PADIR
circuit for LCD bias