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TTP259-ASFN Scheda tecnica(PDF) 59 Page - Tontek Design Technology

Il numero della parte TTP259-ASFN
Spiegazioni elettronici  Preliminary
PDF  81 Pages
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Produttore elettronici  TONTEK [Tontek Design Technology]
Homepage  http://www.tontek.com.tw
Logo TONTEK - Tontek Design Technology

TTP259-ASFN Scheda tecnica(HTML) 59 Page - Tontek Design Technology

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Preliminary
TTP259
TonTouch
TM
2015/05/25
Page 59 of 81
Ver: 1.1
.. IO port with internal PWM output and IIC
The standard input/output port has the IO control register for
switching input or output mode and data register stores the output data in
output mode. If IO control data=1 and output data=1, the IO port is
programmed as input with pull-up resistor and also actives the wake-up
function. User intends to read the port data with differed read instruction.
The read PxI is reading data comes from IO pad data. The data register
reading result will have the same value with output register data. If enable
internal output, the IO port must set as output (IO control data=0). An
additional feature supports the internal PWM output and IIC.
IO control data
Output data
Pull-up
R
Wake-up
feature
0
X
No
No
1
0
No
No
1
1
Enable
Enable
X: don’t care the value
IO control data
Internal output
IO pad
0
Enable
Output internal data
0
Disable
Output register data
1
X
IO pad input data
X: don’t care the value
Read PxI
Read input data
1
IO pad data



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