DS1963S datasheet(27/37 Pages) DALLAS

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DS1963S

27 of 37

ROM FUNCTIONS FLOW CHART Figure 10

Spare

Vertical

To Figure 10

2nd Part

From Figure 10

2nd Part

CCh

Skip ROM

Command

Bit 63

Match ?

55h

Match ROM

Command

Master TX Bit 0

Bit 1

Match ?

Bit 0

Match ?

Master TX Bit 1

Master TX Bit 63

RC = 0

RC = 1

F0h

Search ROM

Command

RC = 0

Bit 0

Match ?

Master TX Bit 0

DS1963S TX Bit 0

Master TX Bit 1

DS1963S TX Bit 1

Bit 1

Match ?

Bit 63

Match ?

Master TX Bit 63

DS1963S TX Bit 63

RC = 1

Bus Master TX

Reset Pulse

From Memory Functions

Flow Chart (Figure 7)

Reset Pulse ?

OD = 0

DS1963S TX

Presence Pulse

Function Command

Bus Master TX ROM

RC = 0

33h

Read ROM

Command

Family Code

DS1963S TX

(1 Byte)

DS1963S TX

CRC Byte

Serial Number

DS1963S TX

(6 Byte)

To Figure 10

2nd Part

RC = 0

To Memory Functions

Flow Chart (Figure 7)

From Figure 10, 2nd Part

DS1963S Datasheet(PDF) 27 Page - Dallas Semiconductor

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