TTP258
TonTouchTM
Preliminary
S
Pull-up
Data Bus
D
Q
R
R
CK QB
I/O ctrl Register
Write
PR
S
P
D
Q
Data Register
Write
CK QB
N
PAD
Read PI
0
1
M
U
X
Read
Wake-up
N
N
External interrupt
MUX
Internal output signal
(PWM)
MUX
INTTS
VBGAP
Output enable
(PWMEN)
Figure IO-E: Standard I/O Port with internal output signal & external input
16’/04/06
Page 32 of 44
Ver.: 1.2