STLC5466 datasheet(8/130 Pages) STMICROELECTRONICS

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STLC5466

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VCXO IN

I3_ft

VCXO input signal. This signal is compared to clock A(orB)

selected inside the

Multi-HDLC.

VCXO OUT

O3_ft

VCXO error signal. This pin delivers the result of the comparison.

CLOCKA

I3_ft

Input Clock A (4096kHz or 8192kHz)

CLOCKB

I3_ft

Input Clock B (4096kHz or 8192kHz)

FRAMEA

I3_ft

Clock A at 8kHz

FRAMEB

I3_ft

Clock B at 8kHz

DCLK

O6_ft

Data Clock issued from Input Clock A (or B). This clock is delivered by the cir-

cuit at 4096kHz (or 2048kHz). DOUT0/7 are transmitted on the rising edge of

this signal. DIN0/7 are sampled on the falling edge of this signal.

FSCG

O6_ft

Frame synchronization for GCI at 8kHz.

This clock is issued from FRAME A (or B).

FSCV*

O6_ft

Frame synchronization for V Star at 8kHz

I3_ft

Frame synchronization.

This signal synchronizes DIN0/8 and DOUT0/7 and CB.

PSS

O3_ft

Programmable synchronization Signal.

PSS is programmed by the PS bit of connection memory.

TIME DIVISION MULTIPLEXES (TDM)

DIN0

I3_ft

TDM0 Data Input 0

DIN1

I3_ft

TDM1 Data Input 1

DIN2

I3_ft

TDM2 Data Input 2

DIN3

I3_ft

TDM3 Data Input 3

DIN4

I3_ft

TDM4 Data Input 4

DIN5

I3_ft

TDM5 Data Input 5

DIN6

I3_ft

TDM6 Data Input 6

DIN7

I3_ft

TDM7 Data Input 7

DIN8

I3_ft

TDM8 Data Input 8, Direct access to 1st 32 HDLC Controller

153

DIN9

I3_ft

TDM9 Data Input 9, Direct access to 2nd 32 HDLC Controller

DOUT0

O6DT_ft TDM0 Data Output 0

DOUT1

O6DT_ft TDM1 Data Output 1

DOUT2

O6DT_ft TDM2 Data Output 2

DOUT3

O6DT_ft TDM3 Data Output 3

DOUT4

O6DT_ft TDM4 Data Output 4

DOUT5

O6DT_ft TDM5 Data Output5

DOUT6

O6DT_ft TDM6 Data Output6

DOUT7

O6DT_ft TDM7 Data Output 7

Pin N°

Symbol

Type

Function

Type

ft: five volts tolerant

fnt: five volts not tolerant

TTL

I1_ft = Input TTL

I2_ft = I1_ft+pull up

I3_ft = I1_ft+hysteresis

I4_ft = I3_ft+pull up

TTL

I/O6 _ft = Input TTL/ Output TTL 6 mA

I5_ft = I3_ft+pull down;

TTL

O3 _ft = Output TTL 3 mA

O3T_ft = O3_ft+Tristate

O6_ft = Output TTL 6mA

TTL

O6D_ft = Output TTL 6mA, Open Drain

O6DT_ft = Output TTL 6mA, Open Drain or Tristate

CMOS

I/O8_fnt = Input TTL, /Output CMOS 8mA;

O8T_fnt = Output CMOS

8mA

I/O8_fnt = Input TTL, /Output CMOS

8mA

CMOS

O4_fnt = Output CMOS 4mA

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