Vicom Systems FC-FC3 Instrukcja Użytkownika Pobierz pdf (Strona 44)

CONFIDENTIAL [AK8999A/AW/AD]

MS1600-E-00 2014/05

- 44 -

3) Flow chart of Digital block

The flow chart of digital block is shown below.

Normal Mode

VOUT

: Analog Output

CSCLK=”High”

> 1.0 ms

Digital I/O Mode

VOUT

: DATA I/O

Yes

EEPROM Write

Instruction code

: 101

EEPROM Read

Instruction code

: 110

Instruction code

: 001

Timing chart1

VREF

Adjustment set

VTMP

Adjustment set

OSC

Adjustment set

CSCLK=”High”

(Write Time)

> 5ms

Between

CSCLK="High"

VOUT : VREF

Between

CSCLK="High"

OSC clock counting

Between

CSCLK="High"

VOUT : VTMP

Timing chart2 Timing chart3

CSCLK=”Low”

> 0.5 ms

Yes

Instruction code

: 010

Pressure Threshold

Detector 1/2

Hysteresis Level

Adjustment set

Between

CSCLK="High"

VOUT : Pressure

Hysteresis Level

Pressure Threshold

Detector 1/2

Threshold

Adjustment set

Between

CSCLK="High"

VOUT

: Pressure Level

IREF

Adjustment set

Between

CSCLK="High"

VOUT : IREF

Note)

In DATA I/O mode, when the condition of CSCLK=Low > 0.5 ms

consists,

it becomes an Analog Output mode.

The state of EEPROM Write Enable and Control Register Access Enable

is required.

Flow chart of Digital block

POWER ON

Level shift

Adjustment set

Between

CSCLK="High"

VOUT : Level shift

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 67 68

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