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TTP259-ASFN Datasheet(PDF) 46 Page - Tontek Design Technology

Part # TTP259-ASFN
Description  Preliminary
PDF  81 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  TONTEK [Tontek Design Technology]
Direct Link  http://www.tontek.com.tw
Logo TONTEK - Tontek Design Technology

TTP259-ASFN Datasheet(HTML) 46 Page - Tontek Design Technology

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Preliminary
TTP259
TonTouch
TM
2015/05/25
Page 46 of 81
Ver: 1.1
1) Normal mode
Follow show a flowchart of IIC device program state machine in normal
mode.
SET IICIE=1
CLEAR IICF
SET IICMOD=0
SET ADR[0..2]
SET IICEN=1
IIC INITIAL
RTS
Check
IICF=1
Clear IICF
Check
SRWB=1
Check
MAASF=1
Check
TXACK=1
Check
MAASF=1
Write
IICDATH
Write IICDATL
(dummy write
release SCL)
Clear
MAASF
Read
IICDATL
(release
SCL)
Clear
MAASF
Read
IICDATL
(dummy
read release
SCL)
Write
IICDATH
NO
YE
S
YES (TX)
NO (RX)
YES
(first INT)
YES
(first INT)
NO
NO
YES
NO
(last data)
Read
IICDATH
Write
IICDATL
(release
SCL)
Write
IICDATL
(release
SCL)
RTI
INT
PROGRAM



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