TTP258
TonTouchTM
Preliminary
The following table shows the mask option in this chip. All the mask options
must be defined clearly and ensure to meet user’s proper function.
No.
Mask Option
Function Descriptions
Start 0
+1
PWM0S
PWM1S
PWM2S
0
1
Start 1
+1
+1
+2
0
Start 0
1
Start 1
0
Start 0
1
Start 1
INT0F trigger type
INT0S1,INT0S0
00
01
10
11
00
01
10
11
0
Low level trigger
Falling edge trigger
Rising edge trigger
Dual edge trigger
Low level trigger
Falling edge trigger
Rising edge trigger
Dual edge trigger
TPNI use Schmitt trig output signal
TPNI use comparator output signal
LVREN disable
+2
INT1F trigger type
INT1S1,INT1S0
+1
+1
+1
TPNIS
1
LVREN select
SpecIO
0
1
LVREN enable
0
PA0~PA2 is normal IO port
1
PA0~PA2 is special function
16’/04/06
Page 43 of 44
Ver.: 1.2
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