Datasheet

 2011 Microchip Technology Inc. DS41606B-page 37
AR1100 RESISTIVE USB AND RS-232 TOUCH SCREEN CONTROLLER
9.0 EEPROM MAP
TABLE 9-1: EEPROM MAP
ADDR(D) ADDR(D) Value Description
USER
000
USER
User-defined area
... ...
95 5F
PARAMETERS
96 60 0x55 HEADER – PARAMETER BLOCK
97 61 RisetimeCapTimeout
98 62 RisetimeQuick
99 63 TouchThreshold
100 64 SensitivityFilter
101 65 SamplingFast
102 66 SamplingSlow
103 67 AccuracyFilterFast
104 68 AccuracyFilterSlow
105 69 SpeedThreshold
106 6A DitherFilter
107 6B SleepDelay
108 6C PenUpDelay
109 6D TouchMode
110 6E TouchOptions
111 6F CalibrationInset
112 70 PenStateReportDelay
113 71 n/a
114 72 TouchReportDelay
115 73 RisetimeDefault
116 74 RisetimeModifier
117 75 Status
118 76 Debug
CALIBRATION
119 77
NOT USED NOT USED
... ...
127 7F
128 80 0x55 HEADER – CALIBRATION DATA BLOCK
129 81 flags bit flags
130 82 nx number of calibration point on X axis
131 83 ny number of calibration point on Y axis
132 84 inset inset
133 85 type calibration type
134 86 nx_offset[0] calculated 16-bit calibration point offset – xaxis
135 87
136 88 nx_offset[1] calculated 16-bit calibration point offset – xaxis
137 89
138 8A nx_offset[2] calculated 16-bit calibration point offset – xaxis
139 8B
140 8C nx_offset[3] calculated 16-bit calibration point offset – xaxis
Note 1: Locations 0xFE, 0xFF are off-limits and should not be overwritten.