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参数资料
| 型号： | TSC2301PAGR |
| 厂商： | Texas Instruments, Inc. |
| 元件分类： | Codec |
| 英文描述： | PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC |
| 中文描述： | 可编程触摸屏控制器，立体声编解码器 |
| 文件页数： | 40/92页 |
| 文件大小： | 1161K |
| 代理商： | TSC2301PAGR |
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tcoordinate
2.5 s
2 tPVS
tPRE
tSNS
2NAVGNBITS
1
fconv
4.4 s
(4)
tcoordinate
4.75 s
3 tPVS
tPRE
tSNS
4NAVGNBITS
1
fconv
4.4 s
(5)
TSC2301
SLAS371D–SEPTEMBER 2002–REVISED AUGUST 2004
If only X and Y coordinates are to be measured, then the conversion process is complete.
Figure 51
shows a
flowchart for this process. The time it takes to go through this process depends upon the selected resolution,
internal conversion clock rate, averaging selected, panel voltage stabilization time, and precharge and sense
times.
The time needed to get a complete X/Y coordinate reading can be calculated by:
where:
If the pressure of the touch is also to be measured, the process continues after the X-conversion is complete,
measuring the Z1 and Z2 values, and placing them in the Z1 and Z2 registers. This process is illustrated in
Figure 52
. As before, this process time depends upon the settings described above. The time for a complete
X/Y/Z1/Z2 coordinate reading is given by:
t
coordinate
= time to complete X/Y coordinate reading;
t
PVS
= panel voltage stabilization time, as given in
Table 11
;
t
PRE
= precharge time, as given in
Table 18
;
t
SNS
= sense time, as given in
Table 19
;
N
AVG
= number of averages, as given in
Table 9
; for no averaging, NAVG = 1;
N
BITS
= number of bits of resolution, as given in
Table 8
;
f
conv
= A/D converter clock frequency, as given in
Table 10
.
40
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相关代理商/技术参数 |
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| TSC2302 | 制造商:BB 制造商全称:BB 功能描述:PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC |
| TSC2302IRGZ | 功能描述:触摸屏转换器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20 |
| TSC2302IRGZG4 | 功能描述:触摸屏转换器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20 |
| TSC2302IRGZR | 功能描述:触摸屏转换器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20 |
| TSC2302IRGZRG4 | 功能描述:触摸屏转换器和控制器 Prog 4-Wire w/20-Bit Stereo Audio Codec RoHS:否 制造商:Microchip Technology 类型:Resistive Touch Controllers 输入类型:3 Key 数据速率:140 SPS 分辨率:10 bit 接口类型:4-Wire, 5-Wire, 8-Wire, I2C, SPI 电源电压:2.5 V to 5.25 V 电源电流:17 mA 工作温度:- 40 C to + 85 C 封装 / 箱体:SSOP-20 |
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