DS2152 datasheet(29/97 Pages) MAXIM

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DS2152

29 of 97

CCR6: COMMON CONTROL REGISTER 6 (Address = 1E Hex)

(MSB)

(LSB)

RJC

—

RCM4

RCM3

RCM2

RCM1

RCM0

SYMBOL

POSITION

NAME AND DESCRIPTION

RJC

CCR6.7

Receive Japanese CRC6 Enable.

0 = use ANSI/AT&T/ITU CRC6 calculation (normal operation)

1 = use Japanese standard JT-G704 CRC6 calculation

—

CCR6.6

Not Assigned. Should be set to 0 when written.

—

CCR6.5

Not Assigned. Should be set to 0 when written.

RCM4

CCR6.4

Receive Channel Monitor Bit 4. MSB of a channel decode that

determines which receive channel data will appear in the

RDS0M register. See Section 7 for details.

RCM3

CCR6.3

Receive Channel Monitor Bit 3.

RCM2

CCR6.2

Receive Channel Monitor Bit 2.

RCM1

CCR6.1

Receive Channel Monitor Bit 1.

RCM0

CCR6.0

Receive Channel Monitor Bit 0. LSB of the channel decode.

CCR7: COMMON CONTROL REGISTER 7 (Address = 0A Hex)

(MSB)

(LSB)

LIRST

RLB

—

SYMBOL

POSITION

NAME AND DESCRIPTION

LIRST

CCR7.7

Line Interface reset. Setting this bit from a 0 to a 1 will initiate

an internal reset that affects the clock recovery state machine and

jitter attenuator. Normally this bit is only toggled on power-up.

Must be cleared and set again for a subsequent reset.

RLB

CCR7.6

Remote Loopback.

0 = loopback disabled

1 = loopback enabled

—

CCR7.5 to

CCR7.0

Not Assigned. Should be set to 0 when written to.

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