DS26334 Просмотр технического описания (PDF) - Dallas Semiconductor -> Maxim Integrated

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DS26334

3.3V, 16-Channel, E1/T1/J1 Short and Long-Haul Line Interface Unit

Dallas Semiconductor -> Maxim Integrated 

DS26334 3.3V, 16-Channel, E1/T1/J1 Short/Long-Haul Line Interface Unit

NAME

PIN TYPE

FUNCTION

RESREF

RRING1

RRING2

RRING3

RRING4

RRING5

RRING6

RRING7

RRING8

RRING9

RRING10

RRING11

RRING12

RRING13

RRING14

RRING15

RRING16

R9

Analog

input

Resistor Reference. If fully internal receive impedance match is

selected, a 16kΩ ±1% resistor to GND is needed. If not used, tie pin

low.

A2

C2

H2

N2

R1

R3

R8

R13

T15

Analog

input

Receive Bipolar Ring for Channels 1–16. Receive analog input for

differential receiver. Data and clock are recovered and output at

RPOS/RNEG and RCLK pins, respectively. The differential inputs of

RTIPn and RRINGn can provide internal impedance matching with

P15

external resistance for E1 75Ω, E1 120Ω, T1 100Ω, or J1 110Ω.

J15

D15

B16

B14

B9

B4

DIGITAL Tx/Rx

TPOS1/TDATA1

F6

TPOS2/TDATA2

G7

TPOS3/TDATA3

J6

TPOS4/TDATA4

K6

TPOS5/TDATA5

L9

TPOS6/TDATA6

N5

TPOS7/TDATA7

P12

TPOS8/TDATA8 M11

TPOS9/TDATA9

L11

TPOS10/TDATA10 J11

TPOS11/TDATA11 G11

TPOS12/TDATA12 C14

TPOS13/TDATA13 F9

TPOS14/TDATA14 E7

TPOS15/TDATA15 N12

TPOS16/TDATA16 D5

TNEG1

C3

TNEG2

J14

TNEG3

J5

TNEG4

G10

TNEG5

M6

TNEG6

P6

TNEG7

P7

TNEG8

K9

TNEG9

L12

TNEG10

J12

TNEG11

H11

TNEG12

E13

TNEG13

G8

TNEG14

F7

TNEG15

C6

TNEG16

C5

Transmit Positive Data Input for Channels 1–6. When DS26334 is

configured in dual-rail mode, the data input to TPOSn is output as a

positive pulse on the line (tip and ring).

I

Transmit Data Input for Channels 1–16. When the device is

configured in single-rail mode NRZ data is input to TDATAn. The data

is sampled on the falling edge of TCLKn and encoded HDB3/B8ZS or

AMI before being output to the line.

Transmit Negative Data for Channels 1–16. When DS26334 is

configured in dual-rail mode. The data input to TNEGn is output as a

negative mark on the line. TPOS and TNEG in dual-rail mode result in

positive and negative pulses sent on the line:

TPOSn

I

0

0

1

1

TNEGn

0

1

0

1

OUTPUT PULSE

Space

Negative mark

Positive mark

Space

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