Altera LCD Multimedia HSMC User 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
(
U11-10
)
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