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參數(shù)資料
| 型號： | TSC2101IRGZRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC48 |
| 封裝： | GREEN, PLASTIC, VQFN-48 |
| 文件頁數(shù)： | 74/95頁 |
| 文件大?。?/td> | 1217K |
| 代理商： | TSC2101IRGZRG4 |
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TSC2101
SLAS392D JUNE 2003 REVISED MAY 2005
www.ti.com
76
The time for a complete X/Y/Z1/Z2 coordinate conversion is given by(not including the time needed to send
the command over the SPI bus):
Programmed
for Host
Controlled
Mode
Detecting Touch
Sample,Conversion &
Averaging for
YCoordinate
Reading
XData
Register
Reading
YData
Register
Detecting
Touch
Sample,Conversion &
Averaging for
XCoordinate
Detecting
Touch
Sample,Conversion &
Averaging for
YCoordinate
Detecting
Touch
Touch Is Detected
REG00 of
PAGE01
Is Updated
for
XY Scan
Mode
Waiting for Host to
Write into REG00 of
PAGE01
SS DEACTIVATED
(As PENIRQ
[D15D14 = 00])
PINTDAV
(As PENIRQ & DATA_AVA
[D15D14 = 10/11])
PINTDAV
Touch Is Detected
(As DATA_AVA
[D15D14 = 01])
PINTDAV
tcoordinate + 3
tPRE ) tSNS ) tPVS
125 ns
tOSC ) 4
NAVG NBITS ) 1
8MHz
conv
) n1 ) 12 ) 1
tOSC ) 33 tOSC ) n2 tOSC ) n3 tOSC ) tPGDEL
n1 = 6 ; if conv = 8 MHz
7 ; if conv ≠ 8 MHz
n2 = 4 ; if tPVS = 0 s
0 ; if tPVS ≠ 0 s
n3 = 0 ; if tSNS = 32 s
3 ; if tSNS ≠ 32 s
Programmed
for Self
Controlled
XYZ1Z2
Scan
Mode
Detecting Touch
Sample,Conversion &
Averaging for
YCoordinate
Reading
XData
Register
Reading
YData
Register
Detecting
Touch
Sample,Conversion &
Averaging for
XCoordinate
Detecting
Touch
Sample,Conversion &
Averaging for
Z1Coordinate & Z2Coordinate
Reading
Z1Data
Register
Reading
Z2Data
Register
Detecting
Touch
Sample,Conversion &
Averaging for
YCoordinate
Detecting
Touch
SS DEACTIVATED
(As PENIRQ
[D15D14 = 00])
PINTDAV
(As PENIRQ & DATA_AVA
[D15D14 = 10/11])
PINTDAV
Touch Is Detected
(As DATA_AVA
[D15D14 = 01])
PINTDAV
The time needed to convert any single coordinate either X or Y under self-controlled (not including the time needed to send
the command over the SPI bus) is given by:
tcoordinate +
tPRE ) tSNS ) tPVS
125 ns
tOSC ) NAVG NBITS ) 1
8MHz
conv
) n1 ) 12 ) 1
tOSC ) 16 tOSC ) n2 tOSC ) n3 tOSC ) tPGDEL
n1 = 6 ; if conv = 8 MHz
7 ; if conv ≠ 8 MHz
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