FT800 Series Programmer Guide
Version 2.1
Document Reference No.: BRT_000030 Clearance No.: BRT#037
253
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6.4 Register summary
Table 13 Touch Registers map table
6.5 Calibration
Calibration process initiated by CMD_CALIBRATE is only available in the compatibility
mode. However, the results of calibration process are applicable to both compatibility
mode and extended mode. As such, users are recommended to finish the calibration
process before entering into extended mode.
After calibration process is done, the registers REG_CTOUCH_TRANSFORM_A~F will be
updated as coefficient of transformation matrix.
REG_CTO UCH_EXTEND REG_CTOUCH_ EXTEND
0x1 0x0
REG_TOUCH_ADC_MODE
0x01 1058036 4 bytes
REG_CTO UCH_TOUCH0 _ X Y
0x80008000 0x80008000
REG_TOUCH_SCREEN_XY
0x80008000 1058064 4 bytes
0xFFFFFFFF 0x80008000
REG_TOUCH_RAW_XY
0xFFFFFFFF 1058056 4 bytes
REG_CT OUCH_T AG REG_CT OUCH_T AG
0x0 0x0
RE G_T OUCH_T AG
0x0 1058072 4 bytes
RE G_CT OUCH_T RANS F
ORM _F
RE G_CT OUCH_T RANS F
ORM _F
RE G_CT OUCH_T RANS F
ORM _E
RE G_CT OUCH_T RANS F
ORM _E
RE G_CT OUCH_T RANS F
ORM _D
RE G_CT OUCH_T RANS F
ORM _D
RE G_CT OUCH_T RANS F
ORM _B
RE G_CT OUCH_T RANS F
ORM _B
RE G_CT OUCH_T RANS F
ORM _A
RE G_CT OUCH_T RANS F
ORM _A
Default Value
(Extend Mode)
Note: C Mode: Compatibility Mode, default mode after FT801 reset
E Mode: Extented Mode
RE G_CT OUCH_T RANS F
ORM _C
RE G_CT OUCH_T RANS F
ORM _C
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