TTP259
TonTouchTM
Preliminary
S
Pull-up
Data Bus
R
D
Q
R
IO control
CK QB
Register Write
PR
busy
Read PxC
S
P
D
Q
Data Register
Write
CK QB
N
IO pad
Read PxI
0
1
M
U
X
Read PxI
or Px
Wake-up
N
N
External interrupt trigger
Internal output signal
(PWM)
0
1
MUX
Output enable
(PWMEN)
Figure IO-D: Standard IO port with internal PWM output and
external interrupt trigger input
2015/05/25
Page 56 of 81
Ver: 1.1