MXB7846EEE MAXIM [Maxim Integrated Products], MXB7846EEE Datasheet - Page 10

• Manufacturer Part Number: MXB7846EEE
• Description: 2.375V to 5.25V, 4-Wire Touch-Screen Controller with Internal Reference and Temperature Sensor
• Manufacturer: MAXIM [Maxim Integrated Products]

2.375V to 5.25V, 4-Wire Touch-Screen Controller
with Internal Reference and Temperature Sensor
Table 1. Input Configuration, Single-Ended Reference Mode (SER/DFR HIGH)
Table 2. Input Configuration, Differential Reference Mode (SER/DFR LOW)
10
A2
A2
0
0
0
0
1
1
1
1
0
0
0
1
______________________________________________________________________________________
A1
A1
0
0
1
1
0
0
1
1
0
1
1
0
A0
A0
0
1
0
1
0
1
0
1
1
1
0
1
BAT
AUX
REF
X+
X-
Y+
Y-
CONNECTION TO
ADC +REF
MEASUREMENT
Y+
Y+
X+
X+
X- position
Y position
Temp0
Temp1
AUX
BAT
Z1
Z2
MONITOR
BATTERY
V
DD
CONNECTION TO
ADC -REF
PENIRQ
TEMPERATURE
SENSOR
Y-
Y-
X-
X-
6-TO-1
MUX
ADC INPUT CONNECTION
CONNECTION TO
12-BIT ADC
ADC INPUT
Temp0
Temp1
AUX
BAT
X+
X+
Y+
Y-
X+
X+
Y+
Y-
REFERENCE
2.5V
INTERFACE
SERIAL
DATA
MEASUREMENT
PERFORMED
Functional Diagram
Z1 position
Z2 position
Y position
X position
DOUT
BUSY
PENIRQ
DCLK
DIN
CS
DRIVERS ON
Y+, Y-
X-, Y+
X-, Y+
X-, X+
—
—
—
—
DRIVER ON
Y+, Y-
Y+, X-
Y+, X-
X+, X-