CTPM Application Note
iii
FocalTech Systems, Ltd. Confidential
Table of Contents
1
I
2
C Interface .................................................................................................................................... 2
1.1 CTPM interface to Host .................................................................................................................. 2
1.2 I
2
C Read/Write Interface description .............................................................................................. 2
1.3 Interrupt signal from CTPM to Host ............................................................................................... 3
1.4 Wakeup signal from Host to CTPM ................................................................................................ 4
2 CTP Register Mapping .................................................................................................................... 4
2.1 Operating Mode .............................................................................................................................. 4
2.1.1 DEVICE_MODE ................................................................................................................... 7
2.1.2 GEST_ID ............................................................................................................................... 7
2.1.3 TD_STATUS .......................................................................................................................... 8
2.1.4 TOUCHn_XH (n:1-5) ............................................................................................................ 8
2.1.5 TOUCHn_XL (n:1-5) ............................................................................................................. 8
2.1.6 TOUCHn_YH (n:1-5) ............................................................................................................ 9
2.1.7 TOUCHn_YL (n:1-5) ............................................................................................................. 9
2.1.8 ID_G_THGROUP ................................................................................................................. 9
2.1.9 ID_G_THPEAK ..................................................................................................................... 9
2.1.10 ID_G_ THCAL ....................................................................................................................... 9
2.1.11 ID_G_ THWATER ................................................................................................................. 9
2.1.12 ID_G_ THTEMP ................................................................................................................... 9
2.1.13 ID_G_ THDIFF ................................................................................................................... 10
2.1.14 ID_G_ CTRL ....................................................................................................................... 10
2.1.15 ID_G_ TIMEENTERMONITOR .......................................................................................... 10
2.1.16 ID_G_ PERIODACTIVE ..................................................................................................... 10
2.1.17 ID_G_ PERIODMONITOR ................................................................................................. 10
2.1.18 ID_G_ AUTO_CLB_MODE ................................................................................................ 10
2.1.19 ID_G_ LIB_VERSION_H .................................................................................................... 11
2.1.20 ID_G_ LIB_VERSION_L ..................................................................................................... 11
2.1.21 ID_G_ CIPHER ................................................................................................................... 11
2.1.22 ID_G_ MODE ..................................................................................................................... 11
2.1.23 ID_G_ PMODE ................................................................................................................... 11
2.1.24 ID_G_ FIRMWARE_ID ....................................................................................................... 11
2.1.25 ID_G_ STATE ...................................................................................................................... 11
2.1.26 ID_G_ FT5201ID ................................................................................................................ 12
2.1.27 ID_G_ ERR .......................................................................................................................... 12
2.1.28 ID_G_ CLB .......................................................................................................................... 12
2.2 Test Mode ..................................................................................................................................... 12
2.2.1 DEVICE_MODE ................................................................................................................. 14
2.2.2 ROW_ADDR ........................................................................................................................ 14
2.2.3 ROWDATAN_H ................................................................................................................... 14
2.2.4 ROWDATAN_L .................................................................................................................... 15
2.3 System information Mode ............................................................................................................. 16
2.3.1 DEVICE_MODE ................................................................................................................. 17
2.3.2 BIST_COMM ....................................................................................................................... 17