DS2154 datasheet(53/87 Pages) DALLAS

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DS2154

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TC1.0

LSB of the Code (this bit is transmitted last)

TCC1/TCC2/TCC3/TCC4:

TRANSMIT CHANNEL CONTROL REGISTER (Address=A0 to A3 Hex)

(MSB)

(LSB)

CH8

CH7

CH6

CH5

CH4

CH3

CH2

CH1

TCC1 (A0)

CH16

CH15

CH14

CH13

CH12

CH11

CH10

CH9

TCC2 (A1)

CH24

CH23

CH22

CH21

CH20

CH19

CH18

CH17

TCC3 (A2)

CH32

CH31

CH30

CH29

CH28

CH27

CH26

CH25

TCC4 (A3)

SYMBOL

POSITION

NAME AND DESCRIPTION

CH1

TCC1.0

Transmit Channel 1 Code Insertion Control Bit

0=do not insert data from the TC1 register into the transmit data

stream

1=insert data from the TC1 register into the transmit data stream

CH32

TCC4.7

Transmit Channel 32 Code Insertion Control Bit

0=do not insert data from the TC32 register into the transmit

data stream

1=insert data from the TC32 register into the transmit data

stream

8.2 RECEIVE SIDE CODE GENERATION

On the receive side, the Receive Channel Control Registers (RCC1/2/3/4) are used to determine which of

the 32 E1 channels off of the E1 line and going to the backplane should be overwritten with the code

placed in the Receive Channel Registers (RC1 to RC32).

RC1 TO RC32: RECEIVE CHANNEL REGISTERS (Address=80 to 9F Hex)

(for brevity, only channel 1 is shown; see Table 1-3 for other register addresses)

(MSB)

(LSB)

RC1 (80)

SYMBOL

POSITION

NAME AND DESCRIPTION

RC1.7

MSB of the Code (this bit is sent first to the backplane)

RC1.0

LSB of the Code (this bit is sent last to the backplane)

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