ADC 400F Specifikace stáhnout pdf (Strana 9)

Read Channel/Mode

Data Into Chosen

Map Channel Numbers

To Registers

Or RAM

Put Destination

Address Into Chosen

Return

DATAIN

Store MSBYTE In Even Address

Of RAM

(Channel # Dependant)

Store LSBYTE In Odd Address

Of RAM

(Channel # Dependant)

STORE

Figure 7. Flowcharts of Subroutine DATAIN and STORE for TLC2543

to TMS370C010 Interface Software

Send CS Of TLC2543 High

Delay > 1 µs

Send CS Of TLC2543 Low

MSB

/LSB First

Bit = 0

Send Channel/Mode

Data To TLC2543

Receive MS Byte Of Previous

Conversion Result and

Store In MS BYTE

MSB

/LSB First

Bit = 0

Send Channel/Mode

Data To TLC2543

Receive LS Byte Of Previous

Conversion Result and

Store In LS BYTE

MSB

/LSB First

Bit = 0

Return

YES

Figure 8. Flowcharts of Subroutine ADC for TLC2543 to TMS370C010 Interface Software

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 25 26

Microcontroller Based Data 1
Acquisition Using the TLC2543 1
12-Bit Serial-Out ADC 1
Contents 3
List of Illustrations 4
The TLC2543 5
• Synchronous operation 7
• Data transfer complete flag 7
( = 0) ( = 0) 8
Microcontroller Features 10
Interface Circuit 10
Software 10
List 1 (Continued) 12
List 2 (Continued) 17
List 3 (Continued) 21
List 4 (Continued) 24
Analog Considerations 25
Appendix A 26

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