AR1100 Datasheet, PDF (38/58 Pages) Microchip Technology – AR1100 Resistive USB and RS-232 Touch Screen Controller

AR1100 RESISTIVE USB AND RS-232 TOUCH SCREEN CONTROLLER
TABLE 9-1: EEPROM MAP (CONTINUED)
ADDR(D) ADDR(D)
Value
Description
141
8D
142
8E
nx_offset[4]
calculated 16-bit calibration point offset – xaxis
143
8F
144
90
ny_offset[0]
calculated 16-bit calibration point offset – yaxis
145
91
146
92
ny_offset[1]
calculated 16-bit calibration point offset – yaxis
147
93
148
94
ny_offset[2]
calculated 16-bit calibration point offset – yaxis
149
95
150
96
ny_offset[3]
calculated 16-bit calibration point offset – yaxis
151
97
152
98
ny_offset[4]
calculated 16-bit calibration point offset – yaxis
153
99
154
9A
xy [0,0]
calibration point 0, X ordinate (16 bit)
155
9B
156
9C
xy [1,0]
calibration point 0, Y ordinate (16 bit)
157
9D
158
9E
xy [0,1]
calibration point 1, X ordinate (16 bit)
159
9F
160
A0
xy [1,1]
calibration point 1, Y ordinate (16 bit)
161
A1
162
A2
...
...
249
F9
...
calibration point(s)
250
FA
xy [24,1]
calibration point 24, X ordinate (16 bit)
251
FB
252
FC
xy [24,1]
calibration point 24, Y ordinate (16 bit)
253
FD
254
FE
usb_mode
USB MODE (GENERIC, MOUSE, DIGITIZER)
255
FF
boot_mode
BOOT MODE (0 = NORMAL/NON-BOOT)
Note 1: Locations 0xFE, 0xFF are off-limits and should not be overwritten.
DS41606B-page 38
 2011 Microchip Technology Inc.