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Rainbow Electronics DS28EA00 User Manual

Page 17

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DS28EA00 1-Wire Digital Thermometer with Sequence Detect and PIO

17 of 29

Figure 10-5. Control Function Flow Chart (continued)

From Figure 10

4

th

Part

N

Y

Master

TX Reset?

Master RX “1s“

Y

N

99h

Chain

Command?

Master TX Inverted

Chain Control Byte

Master TX Chain

Control Byte

DS28EA00 up-

dates chain state

Y

N

Control Byte

Valid?

N

Y

Transmission

Error?

Y

N

Master

TX Reset?

Master RX con-

firmation code AAh

Y

N

Master

TX Reset?

Master RX

error code 00h

Valid Chain
Control Byte
Codes:

3Ch Off
5Ah On
96h Done

Error defined as:
repeated control
byte not equal to
inverted control byte

To Figure 10

4

th

Part

Y

N

Master

TX Reset?

Master RX

inverted chain

control byte