beautypg.com

Rainbow Electronics DS2154 User Manual

Page 39

background image

DS2154

031197 39/69

TCC1/TCC2/TCC3/TCC4: TRANSMIT CHANNEL CONTROL REGISTER (Address=A0 to A3 Hex)

(MSB)

(LSB)

CH8

CH7

CH6

CH5

CH4

CH3

CH2

CH1

CH16

CH15

CH14

CH13

CH12

CH11

CH10

CH9

CH24

CH23

CH22

CH21

CH20

CH19

CH18

CH17

CH32

CH31

CH30

CH29

CH28

CH27

CH26

CH25

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 Reg-
isters (RCC1/2/3/4) are used to determine which of the

32 E1 channels off of the E1 line and going to the back-
plane 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 one is shown; see Table 1–3 for other register address)

(MSB)

(LSB)

C7

C6

C5

C4

C3

C2

C0

SYMBOL

POSITION

NAME AND DESCRIPTION

C7

RC1.7

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

C0

RC1.0

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

RCC1/RCC2/RCC3/RCC4: RECEIVE CHANNEL CONTROL REGISTER (Address=A4 to A7 Hex)

(MSB)

(LSB)

CH8

CH7

CH6

CH5

CH4

CH3

CH2

CH1

CH16

CH15

CH14

CH13

CH12

CH11

CH10

CH9

CH24

CH23

CH22

CH21

CH20

CH19

CH18

CH17

CH32

CH31

CH30

CH29

CH28

CH27

CH26

CH25

SYMBOL

POSITION

NAME AND DESCRIPTION

CH1

RCC1.0

Receive Channel 1 Code Insertion Control Bit
0=do not insert data from the RC1 register into the receive data stream
1=insert data from the RC1 register into the receive data stream

CH32

RCC4.7

Receive Channel 32 Code Insertion Control Bit
0=do not insert data from the RC32 register into the receive data stream
1=insert data from the RC32 register into the receive data stream

TCC1 (A0)

TCC2 (A1)

TCC3 (A2)

TCC4 (A3)

RC1 (80)

RCC1 (A4)

RCC2 (A5)

RCC3 (A6)

RCC4 (A7)