Rainbow-electronics DS2432 Instrukcja Użytkownika Pobierz pdf (Strona 22)

PRELIMINARY DS2432

22 of 30

ROM FUNCTIONS FLOW CHART Figure 9

From Figure 9

2

nd

Part

To Memory Functions

Flow Chart (Figure 7)

Master TX Bit 0

Master TX Bit 63

Master TX Bit 1

Bit 63

Match ?

RC = 0

DS2432 TX Bit 0

DS2432 TX Bit 0

Master TX Bit 0

DS2432 TX Bit 1

DS2432 TX Bit 1

Master TX Bit 1

DS2432 TX Bit 63

DS2432 TX Bit 63

Master TX Bit 63

RC = 1

Bit 1

Match ?

Bit 0

Match ?

Y

N

Y

N

Y

N

Bit 63

Match ?

RC = 0

RC = 1

Bit 1

Match ?

Bit 0

Match ?

Y

N

Y

N

Y

N

RC = 0

DS2432 TX

CRC Byte

DS2432 TX

Serial Number

(6 Bytes)

DS2432 TX

Family Code

(1 Byte)

RC = 0

To Figure 9

2

nd

Part

N

F0h

Search ROM

Command ?

N

55h

Match ROM

Command ?

N

CCh

Skip ROM

Command ?

Y

Y

Y

Y

N

33h

Read ROM

Command ?

To Figure 9

2

nd

Part

From Memory Functions

Flow Chart (Figure 9)

Bus Master TX ROM

Function Command

DS2432 TX

Presence Pulse

OD

Reset Pulse ?

N

Y

OD = 0

Bus Master TX

Reset Pulse

From Figure 9, 2

n

d

Part

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 28 29 30

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