STLC5460 datasheet(13/54 Pages) STMICROELECTRONICS

13 / 54 page

CP 6/1

Comparison 6 to 1.

Bit stream of one PCM and bit stream of another PCM are compared at each bit time, if

there is difference, PDIF interrupt is generated.

Comparison between

CP1 = 1

PCM0 and PCM1

CP2 = 1

PCM1 and PCM2

CP3 = 1

PCM2 and PCM3

CP4 = 1

PCM0 and PCM2

CP5 = 1

PCM1 and PCM3

CP6 = 1

PCM0 and PCM3

MULTIPLEX CONFIGURATION 1 REGISTER (MCONF1)

CIM

MOM

CI4MI

CI4M0

GCIM1

GCIM0

After Reset 3F (H)

CIM

Command/Indicate Mode.

CIM = 1: the controller ignores the new received primitive if the previous has not been

read by the microprocessor.

CIM = 0: the controller overwrites the previous primitive without condition when it

receives a new primitive.

MOM

Monitor channel Mode

MOM = 1: if bytes are not received twice identical the message is aborted.

MOM = 0: if

bytes are not received twice identical the MOM controller doesn’t

acknowledge the received byte (GCI standard).

CI4M1

Command Indicate 4 bits for Multiplex 1.

CI4M1 = 0: command Indicate primitive has six bits.

CI4M1 = 1: command Indicate primitive has four bits.

CI4M0

Command Indicate 4 bits for Multiplex 0.

CI4M0 = 0: command Indicate primitive has six bits.

CI4M0 = 1: command indicate primitive has four bits.

GCIM1

GCI Multiplex 1.

GCIM1 = 1: the multiplex M1 is GCI, it includes eight GCI channels.

GCIM1 = 0: the multiplex M1 includes 32 Time Slots. (PCM like channel)

GCIM0

GCI Multiplex 0.

GCIM0 = 1: the Multiplex M0 is GCI, it includes eight GCI channels.

GCIM0 = 0: the multiplex M0 includes 32 Time Slots. (PCM like channel)

MULTIPLEX CONFIGURATION 2 REGISTER (MCONF2)

M1D

M0D

ISPM

TIMD

MOD

DCKM

After Reset FF (H)

M1D

Multiplex 1 Disable.

M1D = 1. Multiplex 1 output is at high impedance continuously,

multiplex 1 input is forced to ”1”, if it is GCI.

STLC5460

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