STLC5465B datasheet(73/101 Pages) STMICROELECTRONICS

73 / 101 page

DR64

: Data Rate of TDM6 is at 4Mb/s.Case:M1=M0=0

DR64 = 1, the signal received from DIN6 pin and the signal delivered by Dout6 pin are at 4Mb/s.

DIN7 pin and DOUT7 pin are ignored.

The Switching Matrix cannot be used to switch the channels to/from the HDLC controllers but

the RX HDLC controller can be connectedto DIN8 and the TX HDLC controller can be connected

to CB pin.

The Time Division Multiplex 6 is constituted by 64 timeslots numbered from 0 to 63.

DR64 = 0, the signals received from DIN6/7 pins and the signals delivered by Dout6/7 pins are

at 2M b/s.

M1/0

: Data Rate of TDM0/8;

these two bits indicatethe data rate of heightTime Division Multiplexes TDM0/7 relative to DIN0/7

and DOUT0/7. The table below shows the different data rates with the clock frequency defined

by HCL bit (General Configuration Register).

Data Rate of TDM0/7 in Kbit/s

CLOCKA/B signal frequency

HCL = 0

HCL = 1

2048 (or 4096 in accordance with DR0x4)

4096KHz

8192KHz

1536 (or 3072 in accordance with DR0x4)

3072KHz

6144KHz

Reserved

: Switching at 32 Kbit/s for the TDM0 (DIN0/DOUT0)

SW0=1

DIN0 can receive 64 channels at 32 Kbit/s if Data Rate of TDM0 is at 2048 Kbit/s.

DOUT0 can deliver 64 channels at 32 Kbit/s.

DIN2/DOUT2 are not available.

DIN2 is used to receive internally TDM0 (DIN0) 4 bit-times shifted

DOUT2 is used to multiplex internally TDM2 and TDM4. Downstream switching at 32 kb/s on

page 22.

SW1

: SW1: Switching at 32 Kbit/s for the TDM1 (DIN1/DOUT1)

SW1=1

DIN1 can receive 64 channels at 32 Kbit/s if Data Rate of TDM1is at 2048 Kbit/s.DOUT0 can

deliver 64 channels at 32 Kbit/s.

DIN3/DOUT3 are not available.

DIN3 is used to receive internally TDM1(DIN1) and to shift it (4 bit-times)DOUT3 is used to

multiplex internally TDM3 and TDM5. Downstream switching at 32 kb/s on page 22.

SW1=0

DIN0 receive 32 (or 24) channels at 64 Kbit/s or 64 (or 48) channels at 64 Kbit/s depending on

DR04 bit.

VIII - INTERNAL REGISTERS (continued)

STLC5465B

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