BU21029GUL Datasheet, PDF (22/29 Pages) Rohm – 4-wire Resistive Touch Screen Controller

BU21029GUL
Table 26. FREE_SW2 Register (PAGE=1, ADDR=0x1, Reset value=0x00)
D7
D6
D5
D4
D3
D2
D1
D0
RSV0 RSV0 RSV0 SW_AUX SW_YPM SW_YNM SW_XPM SW_XNM
Bits D7 – D5: RSV0
Reserved. They must be set “0”.
Bit D4: SW_AUX
Bit D3-D0: SW_**M
A/D input setting at conversion function 4(Free scan)
** = the corresponding terminal name
Table 27. SPCFG (PAGE=1, ADDR=0x5, Reset value=0x03)
D7
D6
D5
D4
D3
RSV0 DPRM RSV0 RSV0 RSV0
Bits D7, D5-D2 : RSV0 , Bits D1-D0 : RSV1
RSV0 must be set to 0 and RSV1 must be set to 0
D2
RSV0
D1
RSV1
D0
RSV1
Bit D6: DPRM
2-point touch parameter through mode 0=Off (Normal) 1=On (Through for test).
Datasheet
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TSZ22111・15・001
22/26
TSZ02201-0Y1Y0F300120-1-2
11.Nov.2013 Rev.002