±15kV ESD-Protected Touch-Screen
Controllers Include DAC and Keypad Controller
BATTERY VOLTAGE, AUXILIARY INPUT, AND TEMPERATURE INPUT SCAN ([A/D3:A/D0] = 1011)
HOST WRITES
ADC
CONTROL REGISTER
START CLOCK
CONVERT
BATTERY INPUT 2
CONVERT
TEMPERATURE INPUT 1
SET BUSY
LOW
IS ADC
NO
IS DATA
AVERAGING DONE?
YES
NO
IS DATA
AVERAGING DONE?
YES
NO
REFERENCE IN
AUTO POWER-DOWN
MODE?
STORE BATTERY INPUT 2 IN
BAT2 REGISTER
STORE TEMPERATURE INPUT 1 IN
TEMP1 REGISTER
YES
CONVERT
CONVERT
POWER UP REFERENCE
POWER UP
AUXILIARY INPUT 1
TEMPERATURE INPUT 2
ADC
NO
IS DATA
NO
IS DATA
CONVERT
AVERAGING DONE?
AVERAGING DONE?
NO
BATTERY INPUT 1
IS DATA
AVERAGING DONE?
YES
STORE AUXILIARY INPUT 1 IN
AUX1 REGISTER
CONVERT
AUXILIARY INPUT 2
YES
STORE TEMPERATURE INPUT 2 IN
TEMP2 REGISTER
POWER DOWN
ADC
YES
POWER DOWN REFERENCE
STORE BATTERY INPUT 1 IN
BAT1 REGISTER
NO
IS DATA
AVERAGING DONE?
SET BUSY HIGH
Figure 20. Scan Mode Flowchart
YES
STORE AUXILIARY INPUT 2 IN
AUX2 REGISTER
TURN OFF CLOCK
DONE
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MAX1236EVKIT 功能描述:数据转换 IC 开发工具 MAX1236 Eval Kit RoHS:否 制造商:Texas Instruments 产品:Demonstration Kits 类型:ADC 工具用于评估:ADS130E08 接口类型:SPI 工作电源电压:- 6 V to + 6 V
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