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TTP259-ASFN Datasheet(PDF) 47 Page - Tontek Design Technology

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

TTP259-ASFN Datasheet(HTML) 47 Page - Tontek Design Technology

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Preliminary
TTP259
TonTouch
TM
2015/05/25
Page 47 of 81
Ver: 1.1
2) Fast read mode
Master read data fast in fast read mode, to reduce CPU process time.
Follow shows a flowchart of IIC device program state machine in fast read
mode. When master read the first data, IIC device automatically load next
data to the sent buffer and generates an interrupt allows users to update
new IICRDAT(L/H)0 and IICRDAT(L/H)1 data.
1. For two byte data:
WRITE
IICRDAT(L/H)0
and
IICRDAT(L/H)1
SET IICMOD=1
SET ADR[0..2]
SET IICEN=1
IIC INITIAL
RTS
CHECK
MBB=0
WRITE
IICRDAT(L/H)0~1
(TWO BYTE NEW
DATA)
NO
YES
NEW DATA
UPDTAE
RTS



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