MXB7843EUE+T Maxim Integrated Products, MXB7843EUE+T Datasheet - Page 12

• Manufacturer Part Number: MXB7843EUE+T
• Description: IC CNTRLR TOUCH RES 16TSSOP
• Manufacturer: Maxim Integrated Products
• Type: Resistiver

Specifications of MXB7843EUE+T

• Touch Panel Interface: 4-Wire
• Number Of Inputs/keys: 1 TSC
• Resolution (bits): 12 b
• Data Interface: MICROWIRE™, QSPI™, Serial, SPI™
• Data Rate/sampling Rate (sps, Bps): 125k
• Voltage Reference: External
• Voltage - Supply: 2.38 V ~ 5.25 V
• Current - Supply: 650µA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP
• Output Type: Digital
• Interface: 4-Wire Serial
• Input Type: Analog
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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