EV8680 datasheet(23/39 Pages) CMLMICRO

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Evaluation Kit for CMX868

EV8680

UM8680/2

Reg

Range

Units

Description

‘0’

‘1’

S25

0-255

Decimal

Bit Mapped register - Provides the following

functions:

Bit

0, 1, 2 - CMX868 Tx Gain (used during

negotiation, data transfer and BERT),

111 0dB, 110 -1.5dB, 101 -3.0dB, 100 -

4.5dB, 011 -6dB, 010 -7.5dB, 001 -

9.0dB, 000 -10.5dB

Bit

3, 4, 5 - CMX868 Tx Data/Stop bits

(used during data transfer), 111 8/2 bits,

110 8/1 bits, 101 7/2 bits, 100 7/1 bits,

011 6/2 bits, 010 6/1 bits, 001 5/2 bits,

000 5/1 bits

Bit

6, 7 - CMX868 Tx Start-stop mode (used

during data transfer), 00 Odd parity, 01

Even parity, 10 No parity

176

S26

0-255

Decimal

Bit Mapped register - Provides the following

functions:

Bit

0, 1, 2 - CMX868 Rx Gain (used during

negotiation, data transfer and BERT),

111 0dB, 110 -1.5dB, 101 -3.0dB, 100 -

4.5dB, 011 -6dB, 010 -7.5dB, 001 -

9.0dB, 000 -10.5dB

Bit

3, 4, 5 - CMX868 Rx Data and Parity bits

(used during data transfer), 111 8 data +

parity, 110 8 data, 101 7 data + parity,

100 7 data, 011 6 data + parity, 010 6

data, 001 5 data + parity, 000 5 data

Bit

6, 7 - CMX868 Rx USART (used during

data transfer), 00 2.3% overspeed, 01

1% overspeed, 10 No overspeed

176

S27

0-255

Decimal

Bit Mapped register - Provides the following

functions:

Bit 0, 1, 2, 3 - Reserved.

Bit 4, 5, 6, 7 - Communication Standard,

0000 (ATB0), 0001 (ATB1), 0010

(ATB2), 0011 (ATB3), 0100 (ATB4),

0101 (ATB5), 0110 (ATB6), 0111

(ATB7), 1000 (ATB8), 1001 (ATB9)

S28

0-255

Decimal

Reserved

S29

0-255

Decimal

Reserved

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