參數(shù)資料
型號: TSC2302IRGZRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQCC48
封裝: GREEN, PLASTIC, VQFN-48
文件頁數(shù): 22/85頁
文件大?。?/td> 1483K
代理商: TSC2302IRGZRG4
www.ti.com
www.ti.com
TSC2302
SLAS394 – JULY 2003
TSC2302 Configuration Control Register (Page 1, Address 05H)
This control register controls the configuration of the precharge and sense times for the touch detect circuit. The
register is formatted as follows:
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
MSB
LSB
RES
PRE2
PRE1
PRE0
SNS2
SNS1
SNS0
Bits [5:3] — PRE[2:0]
Precharge time selection bits. These bits set the amount of time allowed for precharging any pin capacitance on
the touch screen prior to sensing if the screen is being touched.
Table 17. Precharge Times
PRE[2:0]
PRE2
PRE1
PRE0
TIME
0
20 s (default)
0
1
84 s
0
1
0
276 s
0
1
340 s
1
0
1.044 ms
1
0
1
1.108 ms
1
0
1.300 ms
1
1.364 ms
Bits [2:0] — SNS[2:0]
Sense time selection bits. These bits set the amount of time the TSC2302 waits to sense a screen touch
between coordinate axis conversions in self-controlled mode.
Table 18. Sense Times
SNS[2:0]
SNS2
SNS1
SNS0
TIME
0
32 s (default)
0
1
96 s
0
1
0
544 s
0
1
608 s
1
0
2.080 ms
1
0
1
2.144 ms
1
0
2.592 ms
1
2.656 ms
29
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