MXB7843EEE-T Maxim Integrated, MXB7843EEE-T Datasheet - Page 12

• Manufacturer Part Number: MXB7843EEE-T
• Description: Touch Screen Converters & Controllers
• Manufacturer: Maxim Integrated
• Type: Resistive Touch Controllersr

Specifications of MXB7843EEE-T

• Input Type: 1 TSC
• Data Rate: 125 KSPS
• Resolution: 8 bit, 12 bit
• Interface Type: 3-Wire, 4-Wire, QSPI, SPI
• Supply Voltage: 2.375 V to 5.25 V
• Supply Current: 270 uA
• Operating Temperature: - 40 C to + 85 C
• Package / Case: QSOP-16
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: -40 C
• Mounting Style: SMD/SMT
• Supply Voltage - Max: 5.25 V
• Supply Voltage - Min: 2.375 V

2.375V to 5.25V, 4-Wire Touch-Screen
Controller
Figure 5.
Figure 6. PENIRQ Timing Diagram
12
SCREEN TOUCHED HERE
PENIRQ
CS
DCLK
DIN
______________________________________________________________________________________
PENIRQ Functional Block Diagram
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
PENIRQ
ENABLE
2
3
100kΩ
V
DD
PENIRQ
12
13
14
PENIRQ ENABLED
15
16