EVAL-AD7877EBZ Analog Devices Inc, EVAL-AD7877EBZ Datasheet - Page 37

• Manufacturer Part Number: EVAL-AD7877EBZ
• Description: BOARD EVALUATION FOR AD7877
• Manufacturer: Analog Devices Inc

Specifications of EVAL-AD7877EBZ

• Main Purpose: Interface, Touch Screen Controller
• Embedded: No
• Utilized Ic / Part: AD7877
• Primary Attributes: 4-Wire Resistive Touch Screen Controller, SPI Interface, On-Chip: Temp Sensor, Voltage Reference, 8-Bit DAC
• Secondary Attributes: USB GUI, LCD Noise Reduction Feature, 2.7 ~ 5.25 V, Wake Up on Touch Feature
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Register Name: Alert Status/Enable Register
Write Address: 0011; Read Address: 00011; Default Value: 0x000; Type: Read/Write.
Table 18.
Bit
0
1
2
3
4
5
6
7
8
9
10
11
Register Name: AUX1 High Limit
Write Address: 0100; Read Address: 00100;
Default Value: 0x000; Type: Read/Write.
This register contains the 12-bit high limit for Auxiliary Input 1.
Register Name: AUX1 Low Limit
Write Address: 0101; Read Address: 00101;
Default Value: 0x000; Type: Read/Write.
This register contains the 12-bit low limit for Auxiliary Input 1.
Register Name: BAT1 High Limit
Write Address: 0110; Read Address: 00110;
Default Value: 0x000; Type: Read/Write.
This register contains the 12-bit high limit for Battery
Monitoring Input 1.
Register Name: BAT1 Low Limit
Write Address: 0111; Read Address: 00111;
Default Value: 0x000; Type: Read/Write.
This register contains the 12-bit low limit for Battery
Monitoring Input 1.
Name
AUX1LO
BAT1LO
BAT2LO
TEMP1LO
AUX1HI
BAT1HI
BAT2HI
TEMP1HI
AUX1EN
BAT1EN
BAT2EN
TEMP1EN
R/W
Read/Write
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
When this bit is 1, the AUX1 channel is below its low limit
When this bit is 1, the BAT1 channel is below its low limit
When this bit is 1, the BAT2 channel is below its low limit
When this bit is 1, the TEMP1 channel is above its low limit
When this bit is 1, the AUX1 channel is above its high limit
When this bit is 1, the BAT1 channel is above its high limit
When this bit is 1, the BAT2 channel is above its high limit
When this bit is 1, the TEMP1 channel is below its high limit
Setting this bit enables AUX1 as an interrupt source to the ALERT output
Setting this bit enables BAT1 as an interrupt source to the ALERT output
Setting this bit enables BAT2 as an interrupt source to the ALERT output
Setting this bit enables TEMP1 as an interrupt source to the ALERT output
Description
Rev. B | Page 37 of 44
Register Name: BAT2 High Limit
Write Address: 1000; Read Address: 01000;
Default Value: 0x000; Type: Read/Write.
This register contains the 12-bit high limit for Battery
Monitoring Input 2.
Register Name: BAT2 Low Limit
Write Address: 1001; Read Address: 01001;
Default Value: 0x000; Type: Read/Write.
This register contains the 12-bit low limit for Battery
Monitoring Input 2.
Register Name: TEMP1 Low Limit
Write Address: 1010; Read Address: 01010;
Default Value: 0x000; Type: Read/Write.
This register contains the 12-bit low limit for temperature
measurement.
Register Name: TEMP1 High Limit
Write Address: 1011; Read Address: 01011;
Default Value: 0x000; Type: Read/Write.
This register contains the 12-bit high limit for temperature
measurement.
AD7877