Appendix C: LCD Interface

Table C-1summarizes the controller specifications.

Table C-1:Display Controller Specifications

Parameter

Specification

 

 

Supply Voltage

2.4V to 3.6V (VDD)

LCD Driving Voltage

4V to 15V (VLCD = V0 - VDD)

Power Consumption

70 μA typical (VDD = 3V, x4 boost, V0 = 11V,

 

internal supply = ON)

 

 

Sleep Mode

2 μA

 

 

Standby Mode

10 μA

 

 

The on-chip RAM size is 65 x 132 = 8580 bits.

Hardware Schematic Diagram

Figure C-1illustrates the schematic for the display.

R

SamArray

3.3V

DIP1_4

LCD-BUS

IC19

IC22

IC23

 

 

LED

Rst

MI

- + Vcc Gnd

LCD_D[7:0]

ENA, R/W, RSEL, CS1B

3.3V

3.3V

 

 

 

 

 

 

 

68xx

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

68xx

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Default = 68xx

 

Default =

 

 

 

 

 

 

 

 

Resistor to Gnd

 

 

 

 

 

 

 

3.3V

Backlight ON/OFF

UG199_C_01_050106

Figure C-1:Display Schematic Diagram

120

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Virtex-5 FPGA ML561 User Guide

 

 

UG199 (v1.2) April 19, 2008

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Xilinx ML561 Hardware Schematic Diagram, Appendix C LCD Interface, Table C-1Display Controller Specifications Parameter