AD7879-1ACPZ-500R7 Analog Devices Inc, AD7879-1ACPZ-500R7 Datasheet - Page 25

• Manufacturer Part Number: AD7879-1ACPZ-500R7
• Description: Touch Screen Controller
• Manufacturer: Analog Devices Inc
• Type: Resistiver

Specifications of AD7879-1ACPZ-500R7

• Touch Panel Interface: 4-Wire
• Number Of Inputs/keys: 1 TSC
• Resolution (bits): 12 b
• Data Interface: I²C, Serial
• Data Rate/sampling Rate (sps, Bps): 105k
• Voltage Reference: External
• Voltage - Supply: 1.6 V ~ 3.6 V
• Current - Supply: 10nA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-LFCSP-VQ
• Voltage Supply Source: Single Supply
• Sampling Rate (per Second): 105k
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: AD7879-1ACPZ-500R7TR

Table 16. Measurement Result Registers (Read Only)
Address
0x08
0x09
0x0A
0x0B
0x0C
0x0D
Table 17. Revision and Device ID Register (Read Only)
Address
0x0E
Register Name
X+
Y+
X+ (Z1)
Y− (Z2)
AUX/VBAT
TEMP
Data Bits
[15:12]
[11:8]
[7:0]
Data Bits
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
[15:0]
Description
Measured Y+ input with X excitation (X position)
Measured X+ input with X − and Y+ excitation (touch -pressure calculation Z1)
Measured Y − input with X− and Y+ excitation (touch-pressure calculation Z2)
AUX/VBAT voltage measurement
Temperature conversion measurement
Measured X+ input with Y excitation (Y position)
Description
Unused
Revision and device ID bits
Device ID
Rev. C | Page 25 of 40
Default Value
0x0379 (AD7879-1/AD7889-1)
0x037A (AD7879/AD7889)
AD7879/AD7889
Default Value
0x0000
0x0000
0x0000
0x0000
0x0000
0x0000