參數(shù)資料
型號(hào): TSC2302IRGZR
元件分類: Codec
英文描述: PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC
中文描述: 可編程觸摸屏控制器,立體聲編解碼器
文件頁數(shù): 29/81頁
文件大小: 1211K
代理商: TSC2302IRGZR
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
MSB
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
LSB
RES
RES
RES
RES
RES
RES
RES
RES
RES
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
0
0
20 μs (default)
0
0
1
84 μs
0
1
0
276 μs
0
1
1
340 μs
1
0
0
1.044 ms
1
0
1
1.108 ms
1
1
0
1.300 ms
1
1
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
0
0
32 μs (default)
0
0
1
96 μs
0
1
0
544 μs
0
1
1
608 μs
1
0
0
2.080 ms
1
0
1
2.144 ms
1
1
0
2.592 ms
1
1
1
2.656 ms
29
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