
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 Ta b le 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
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