TTP259
TonTouchTM
Preliminary
Pull-up
S
R
Data Bus
R
D
Q
IO control
CK QB
Register Write
IICEN
PR
IICEN
Read PxC
S
P
D
Q
Data Register
Write
IICEN
CK QB
0
N
MUX
IO pad
1
IIC control data
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-E: Standard IO port with internal PWM output and
external interrupt trigger input and IIC
2015/05/25
Page 58 of 81
Ver: 1.1