TTP258
TonTouchTM
Preliminary
CSA[217H]: select Capacity load register [R/W], default value [0000]
Register
Bit Name
Read/Write
Bit3
CSA3
R/W
Bit2
CSA2
R/W
Bit1
CSA1
R/W
Bit0
CSA0
R/W
CSA3~CSA0: Select Capacity for touch pad
CSA3 ~CSA0
0000
Capacity Load
0 pf
CSA3 ~ CSA0
1000
Capacity Load
4.0 pf
0001
0.5 pf
1001
4.5 pf
0010
1.0 pf
1010
5.0 pf
0011
1.5 pf
1011
5.5 pf
0100
2.0 pf
1100
6.0 pf
0101
2.5 pf
1101
6.5 pf
0110
3.0 pf
1110
7.0 pf
0111
3.5 pf
1111
7.5 pf
16’/04/06
Page 41 of 44
Ver.: 1.2
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