參數(shù)資料
型號: TSC2301PAGR
廠商: Texas Instruments, Inc.
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): 58/92頁
文件大?。?/td> 1161K
代理商: TSC2301PAGR
www.ti.com
Start Clock
Turn off clock
Convert Battery Input
2
Store Battery Input 2
in BAT2 Register
Set /DAV = 0
Power up ADC
Power Down
Reference
Is Data
Averaging
Done
N
Y
Power Down ADC
DONE
Host Writes A/D
Converter Control
Register
Power Up Reference
(Including Delay)
OPERATION - AUXILIARY MEASUREMENT
The two auxiliary voltage inputs can be measured in similar fashion to the battery inputs, with no voltage dividers.
The input range of the auxiliary inputs is 0 V to V
REF
.
Figure 67
and
Figure 68
illustrate the process. Applications
for this feature may include external temperature sensing, ambient light monitoring for controlling an LCD
back-light, or sensing the current drawn from the battery.
TSC2301
SLAS371D–SEPTEMBER 2002–REVISED AUGUST 2004
Battery Input 2
Figure 66. V
BAT2
Measurement Process
58
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