MXB7843EEE MAXIM [Maxim Integrated Products], MXB7843EEE Datasheet - Page 12

• Manufacturer Part Number: MXB7843EEE
• Description: 2.375V to 5.25V, 4-Wire Touch-Screen
• Manufacturer: MAXIM [Maxim Integrated Products]

2.375V to 5.25V, 4-Wire Touch-Screen
Controller
Figure 5. PENIRQ Functional Block Diagram
Figure 6. PENIRQ Timing Diagram
12
SCREEN TOUCHED HERE
PENIRQ
CS
DCLK
DIN
______________________________________________________________________________________
t
TOUCH
S
INTERRUPT PROCESSOR
1
A2
TOUCH SCREEN
2
A1
3
A0
NO RESPONSE TO TOUCHMASK PENIRQ
4
M
5
S/D
6
PD1
7
OPEN CIRCUIT
Y+
X+
Y-
PD0
8
ON
1
ENABLE
PENIRQ
2
3
100kΩ
V
DD
PENIRQ
12
13
14
PENIRQ ENABLED
15
16