Freescale Semiconductor TWR-LCD Graphical LCD module TWR-LCD TWR-LCD User Manual
Product codes
TWR-LCD
TWR-LCD User’s Manual
Page 12 of 13
TWR-LCD Primary Connector
Pin
Name
Usage
Used Jmp Pin
Name
Usage
Used Jmp
B73
EBI_D7
A73
EBI_AD7
LCD EBI
X
B74
EBI_D6
A74
EBI_AD6
LCD EBI
X
B75
EBI_D5
A75
EBI_AD5
LCD EBI
X
B76
EBI_D4
A76
EBI_AD4
LCD EBI
X
B77
EBI_D3
A77
EBI_AD3
LCD EBI
X
B78
EBI_D2
A78
EBI_AD2
LCD EBI
X
B79
EBI_D1
A79
EBI_AD1
LCD EBI
X
B80
EBI_D0
A80
EBI_AD0
LCD EBI
X
4 Jumper Table
There are several configuration switches provided for isolation, configuration, and feature selection.
Refer to the following table for details. The default installed dip switch settings are shown in *bold*.
Refer to the following table for details. The default installed dip switch settings are shown in *bold*.
Table 9 - TWR-LCD Configuration Table
Configuration
Settings
Option
Setting
Description
SW1
DIP 1 / DIP 2
PS2 / PS0
DIP 1
(PS2)
(PS2)
DIP 2
(PS0)
(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)
SPI0 on the Primary Elevator or by the on-board MCF51JM, selectable by
JM/ELE (SW1-DIP3)
ON
OFF
Enables EBI (16b mode) communication to the LCD Display
This interface is only accessible from the Tower Elevator MCU
This interface is only accessible from the Tower Elevator MCU
ON
ON
Enables EBI (8b mode) communication to the LCD Display
This interface is only accessible from the Tower Elevator MCU
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
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
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
on-board MCF51JM
*OFF*
Piezo Buzzer is controlled by on-board MCF51JM only