Table 1. valid protocols – Rainbow Electronics DS1602 User Manual

Page 5

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DS1602

5 of 8

Table 1. VALID PROTOCOLS

PROTOCOL

ACTION

ACC

AVC

OSC2

OSC1 OSC0 CCC CVC RD

FUNCTION

Read
Continuous
Counter

1

0

X

X

X

X

X

1

Output continuous
counter on the 32 clocks
following protocol.
Oscillator trim register
is not updated. Counters
are not reset.

Write
Continuous
Counter

1

0

X

X

X

X

X

0

Input data to continuous
counter on the 32 clocks
following protocol.
Oscillator trim register
is not updated. Counters
are not reset.

Read V

CC

Active
Counter

0

1

X

X

X

X

X

1

Output V

CC

active

counter on the 32 clocks
following protocol,
oscillator trim register
is not updated. Counters
are not reset.

Write V

CC

Active
Counter

0

1

X

X

X

X

X

0

Input data to continuous
counter on the 32 clocks
following protocol.
Oscillator trim register
is not updated. Counters
are not reset.

Clear
Continuous
Counter

0

0

X

X

X

1

X

X

Resets the continuous
counter to all zeros at
the end of protocol.
Oscillator trim register
is not updated.

Clear V

CC

Active
Counter

0

0

X

X

X

X

1

X

Resets the V

CC

active

counter to all zeros at
the end of protocol.
Oscillator trim register
is not updated.

Set Oscillator
Trim Bits

1

1

A

B

C

X

X

0

Sets the oscillator trim
register to a value of
ABC. Counters are
unaffected.

X = Don’t Care

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