参数资料
型号: TSC2301IZQZR
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PBGA120
封装: GREEN, PLASTIC, VFBGA-120
文件页数: 28/95页
文件大小: 1322K
代理商: TSC2301IZQZR
www.ti.com
TSC2301
SLAS371D – SEPTEMBER 2002 – REVISED AUGUST 2004
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 18. 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 TSC2301 waits to sense a screen touch
between coordinate axis conversions in self-controlled mode.
Table 19. 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
34
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