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參數(shù)資料
| 型號： | TSC2100IRHBRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC32 |
| 封裝： | 5 X 5 MM, GREEN, PLASTIC, QFN-32 |
| 文件頁數(shù)： | 54/77頁 |
| 文件大小： | 1079K |
| 代理商： | TSC2100IRHBRG4 |
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TSC2100
SLAS378 NOVEMBER 2003
www.ti.com
58
Programmed
for Self
Controlled
XY 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
YCoordinate
Detecting
Touch
SS DEACTIVATED
Touch Is Detected
(As PENIRQ
[D15D14 = 00])
PINTDAV
(As PENIRQ & DATA_AVA
[D15D14 = 10/11])
PINTDAV
Touch Is Detected
(As DATA_AVA
[D15D14 = 01])
PINTDAV
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):
tcoordinate + 3
tPRE ) tSNS ) tPVS
125 ns
tOSC ) 4
NAVG NBITS ) 1
8MHz
conv
) n1 ) 12 ) 1
tOSC ) 33 tOSC ) n2 tOSC ) n3 tOSC
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
NOTE: The above formula is exactly valid only when the codec is powered down. Also after touch detect the formula holds true from second
conversion onwards.
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
Touch is Detected
NOTE: If the PINTDAV signal is programmed to be used for pen-interrupt by setting bits D15D14 of REG01H/Page2 to either 00, 01, or 11, then
the high duration of PINTDAV is given by:
tPRE ) tSNS
tOSC
125 ns
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