Freescale Semiconductor TWR-LCD Graphical LCD module TWR-LCD TWR-LCD Manual Do Utilizador
Códigos do produto
TWR-LCD
TOWER SYSTEM
TWR-LCD Jumper Options
The following is a list of all the jumper options. The
*default* installed jumper settings are shown in bold
with asterisks.
Configuration
Settings
Option
Setting
Description
SW1
DIP 1/
DIP 2
PS2/PS0
DIP 1
(PS2)
DIP 2
(PS0)
OFF
OFF
Not a valid setting
*OFF*
*ON*
Enables SPI communication mode to the LCD Display. Can be driven
by SPI0 on the Primary Elevator or by the on-board MCF51JM,
selectable by JM/ELE (SW1-DIP3)
ON
OFF
Enables EBI (16-bit mode) communication to the LCD Display
This interface is only accessible from the Tower Elevator MCU
ON
ON
Enables EBI (8-bit mode) communication to the LCD Display
This interface is only accessible from the Tower Elevator MCU
DIP 3
JM/ELE
ON
Enables SPI connection from SPI0 of Primary Elevator Connector
*OFF*
Enables SPI connection from on-board MCF51JM MCU
DIP 4
ELE uSD
ON
microSD is connected to the SPI1 of Primary Elevator Connector
*OFF*
microSD is connected to the on-board MCF51JM MCU
DIP 5
SPI CS SEL
ON
Select SPI0 CS1 as the chip-select for LCD SPI interface
*OFF*
Select SPI0 CS0 as the chip-select for LCD SPI interface
DIP 6
TP SEL
ON
Disables MCF51JM connection to the LCD Touch Panel
Use SW5 to enable ADC connection from Primary Elevator Connector
*OFF*
Enables MCF51JM connection to the LCD Touch Panel
Ensure that SW5 DIP[4:1] are OFF
DIP 7
LCD BL
*ON*
Enables LCD Backlight
OFF
Disables LCD Backlight
DIP 8
ELE PWM0
ON
Piezo buzzer is controlled by PWM0 of Primary Elevator Connector
and on-board MCF51JM
*OFF*
Piezo buzzer is controlled by on-board MCF51JM only