Datasheet
4D SYSTEMS GOLDELOX Processor
© 2012 4D SYSTEMS Page 5 of 25 www.4dsystems.com.au
GOLDELOX PROCESSOR
4. Pin Configuration and Summary
GOLDELOX Processor Pin Out
Pin
Symbol
I/O
Description
1 RD O
Display Read strobe signal. GOLDELOX asserts this signal LOW when reading data
from the display. Connect this pin to the Read (RD) signal of the display.
2 WR O
Display Write strobe signal. GOLDELOX asserts this signal LOW when writing data
to the display. Connect this pin to the Write (WR) signal of the display.
3 REF P
Internal voltage regulator filter capacitor. Connect a 4.7uF to 10uF capacitor
from this pin to Ground.
4 RS O
Display Register Select.
LOW: Display index or status register is selected.
HIGH: Display GRAM or register data is selected.
Connect this pin to the Register Select (RS or A0 or C/D or similar naming
convention) signal of the display.
5
GND
P
Ground.
6
CLK1
I
System Clock input 1 of a 12MHz crystal.
7
CLK2
O
System Clock input 2 of a 12MHz crystal.
8 SDCS O
SPI device Chip Select. Connect this pin to the Chip Enable (CE or CS) signal of the
external SPI device (SD/SDHC memory card, Serial Flash chip, etc.).
9 CS O
Display Chip Select. GOLDELOX asserts this signal LOW when accessing the
display. Connect this pin to the Chip Select (CS) signal of the display.
10 RES O
Display RESET. GOLDELOX initialises the display by strobing this pin LOW.
Connect this pin to the Reset (RES) signal of the display.
I = Input, O = Output, P = Power, A = Analogue