Altera LCD Multimedia HSMC - Manual (Page 21)

2–13 Altera Corporation
LCD Multimedia HSMC August 2008
Display
Figure 2–8 shows the LCD Touch Panel schematic.
HC_SDA 50 U11-5 ( 1 ) U11-10 ( 1 ) SDA J10.44 LCD 3-Wire Serial
Interface Data
HC_ADC_DCLK 157 B18 L3 ADC_DCLK U6.16 AD7843/LCD 3-Wire Serial
Interface Clock
HC_ADC_DIN 155 B16 N2 ADC_DIN U6.14 AD7843 Serial Interface
Data In
HC_ADC_CS_n 143 D18 N1 ADC_CS_n U6.15 AD7843 Serial Interface
Chip Select Input
HC_ADC_DOUT 122 E13 M1 ADC_DOUT U6.12 AD7843 Serial Interface
Data Out
HC_ADC_PENIRQ_n 156 A14 M3 ADC_PENIRQ_n U6.11 AD7843 pen Interrupt
HC_ADC_BUSY 120 E15 M2 ADC_BUSY U6.13 AD7843 Serial Interface
Busy
Notes to Table 2–8 :
(1) These signals do not go through the MAX II chip. They pass through the MAX3378 level translator chip, U11.
Table 2–8. LCD Touch Panel Pinout with HSMC Connector
HSMC Connector MAX II LCD Touch Panel
Signal Name
Pin
No.
HSMC
Connector
Side Pin
Device
Side Pin
Signal Name Pin No. Description