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: 20/92页
文件大小: 1161K
代理商: TSC2301PAGR
www.ti.com
PENIRQ
+V
CC
V
REF
TEMP1
TEMP0
Ref ON/OFF
1.25/2.5 V
+IN
–IN
+REF
Converter
–REF
2.5 k
5.0 k
5.0 k
7.5 k
Battery
on
Battery
on
GND
IN2
IN1
V
BAT2
V
BAT1
Y–
Y+
X–
X+
0V
11...111
11...110
11...101
00...010
00...001
00...000
1 LSB
O
Input Voltage - A
FS = Full-Scale Voltage = V
REF
1 LSB = V
REF
/4096
FS - 1 LSB
TSC2301
SLAS371D–SEPTEMBER 2002–REVISED AUGUST 2004
The ADC is controlled by an ADC control register. Several modes of operation are possible, depending upon the
bits set in the control register. Channel selection, scan operation, averaging, resolution, and conversion rate may
all be programmed through this register. These modes are outlined in the sections below for each type of analog
input. The results of conversions made are stored in the appropriate result register.
Figure 47. Simplified Diagram of the Touch Screen Analog Input Section
Data Format
The TSC2301 output data is in straight binary format as shown in
Figure 48
. This figure shows the ideal output
code for the given input voltage and does not include the effects of offset, gain, or noise.
Figure 48. Ideal Input Voltages and Output Codes
20
相关PDF资料
PDF描述
TSC2301IGQZR PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH STEREO AUDIO CODEC
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TSC303 POWER NAND GATES
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