PS12864LRF-018-H Powertrip, PS12864LRF-018-H Datasheet - Page 12

• Manufacturer Part Number: PS12864LRF-018-H
• Description: LCD Module
• Manufacturer: Powertrip

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2.2 Interface Pin Description
PE12864LRF-018-H
Pin No.
10
12
13
14
15
16
17
11
1
2
3
4
5
6
7
8
9
Rev. B
Symbol
CAP3+
VOUT
/RES
CS1
/WR
DB0
DB1
DB2
DB3
DB4
DB5
DB6
DB7
/RD
V
V
A0
DD
SS
•When connected to an 8080 MPU, this is LOW active. This pin
This is the chip select signal. When CS1 = “L” then the chip select
becomes active, and data/command I/O is enabled.
/RES is set to “L”, the settings are initialized.
The /RES signal level performs the reset operation.
This is connect to the least significant bit of the normal MPU
address bus,and it determines whether the data bits are data or a
command.
A0 = “H”: Indicates that DB0 to DB7 are display data.
A0 = “L”: Indicates that DB0 to DB7 are control data.
•When connected to an 8080 MPU, this is LOW active. This
terminal connects to the 8080 MPU /WR signal. The signals on
the data bus are latched at the rising edge of the/ WR signal.
• When R/W = “H”: Read.
• When R/W = “L” : Write.
is connected to the /RD signal of the 8080 MPU, and the NT7532
series data bus is in an output status when this signal is “L”.
This is an 8-bit bi-directional data bus that connects to an 8-bit or
16-bit standard MPU data bus.
When the serial interface is selected (P/S = “L”), DB7 serves as
the serial data input terminal (SI) and DB6 serves as the serial
clock input terminal (SCL).
At the same time, DB0 to DB5 are set to high impedance. When
the chip select is inactive, DB0 to DB7 are set to high impedance.
Power Supply (V
Power Supply (V
DC/DC voltage converter output
Capacitor 3+ pad for internal DC/DC voltage converter
12
DD
SS
=0)
=2.85V)
Function
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