TTP259
TonTouchTM
Preliminary
TPCHS2[212H]: Touch pad channel selector register2 [R/W], default value [0000]
Register
Bit3
Bit2
Bit1
Bit0
Bit Name
TPEN11
R/W
TPEN10
R/W
TPEN9
R/W
TPEN8
R/W
Read/Write
TPEN11~TPEN8: Touch pad channel selector 3rd nibble.
TPCHS3[213H]: Touch pad channel selector register3 [R/W], default value [0000]
Register
Bit3
Bit2
Bit1
Bit0
Bit Name
TPEN15
R/W
TPEN14
R/W
TPEN13
R/W
TPEN12
R/W
Read/Write
TPEN15~TPEN12: Touch pad channel selector 4th nibble.
As program writes the TPCHS0 register, hardware automatically discharges
the external capacitor and enable the sensor clock input until period end.
Channel
Enable
State
TP0
TPCHS0
TPEN3~
TPEN0
0001
0010
0100
1000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
TPCHS1
TPEN7~
TPEN4
0000
0000
0000
0000
0001
0010
0100
1000
0000
0000
0000
0000
0000
0000
0000
0000
TPCHS2
TPCHS3
TPEN11~ TPEN15~
TPEN8
0000
0000
0000
0000
0000
0000
0000
0000
0001
0010
0100
1000
0000
0000
0000
0000
TPEN12
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0000
0001
0010
0100
1000
TP1
TP2
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
TP11
TP12
TP13
TP14
TP15
2015/05/25
Page 73 of 81
Ver: 1.1
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