MT90881 Просмотр технического описания (PDF) - Zarlink Semiconductor Inc

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MT90881

TDM to Packet Processors

Zarlink Semiconductor Inc 

MT90880/1/2/3

Data Sheet

3.0 External Interface Description

The following key applies to all tables:

O

Output

I

Input

D

internal 100 KΩ pull-down resistor present

U

internal 100 KΩ pull-up resistor present

3.1 WAN Access Interface

All WAN Access Interface signals are 5 V tolerant.

All WAN Access Interface outputs are high impedance while S_RST is low.

Signal

WAN_STO[31:24]

WAN_STO[23:8]

WAN_STO[7:0]

WAN_STI[31:24]

WAN_STI[23:8]

WAN_STI[7:0]

WAN_FRMI[31:24]

WAN_FRMI[23:0]

WAN_CLKI[31:24]

I/O

Package Balls

Description

O T22 [31], U26 [30], R26 [29], P26 [28], WAN Interface serial output streams

N25 [27], M24 [26], L25 [25], K24 [24] Operate at 2.048 Mbs

All variants

O J25 [23], G26 [22], G25 [21], G24 [20], WAN Interface serial output streams

D26 [19], D22 [18], B24 [17], B23 [16], Operate at 2.048 Mbs

B22 [15], A22 [14], E18 [13], E17 [12], MT90880 and MT90881 variants only.

C18 [11], E16 [10], A17 [9], A16 [8]

O B15 [7], A14 [6], B13 [5], B12 [4],

E11 [3], A10 [2], E10 [1], E9 [0]

WAN Interface serial output streams

Operate at 2.048 and 8.192 Mbs

MT90880 and MT90881 variants only.

I D W26 [31], U25 [30], R25 [29], M23

[28],

L23 [27], L22 [26], K22 [25], K25 [24]

WAN Interface serial input streams

Operate at 2.048 Mbs

All variants.

I D J22 [23], H25 [22], G23 [21], F25 [20], WAN Interface serial input streams

E25 [19], C24 [18], D21 [17], E20 [16], Operate at 2.048 Mbs

D20 [15], D19 [14], A21 [13], C19 [12], MT90880 and MT90881 variants only

A19 [11], A18 [10], B17 [9], E15 [8]

I D D14 [7], B14 [6], D12 [5], A12 [4],

A11 [3], C11 [2], A9 [1], C9 [0]

WAN Interface serial input streams

Operate at 2.048 and 8.192 Mbs

MT90880 and MT90881 variants only

I D W25 [31], U24 [30], R24 [29], P25 [28], WAN Interface frame pulse inputs.

N26 [27], M25 [26], L26 [25], K26 [24] Programmable as active high or low.

All variants

I D J26 [23], H26 [22], H24 [21], F26 [20], WAN Interface frame pulse inputs.

F23 [19], C26 [18], A25 [17], C23 [16], Programmable as active high or low.

C22 [15], C21 [14], C20 [13], D18 [12], MT90880 and MT90881 variants only.

B19 [11], D17 [10], D16 [9], B16 [8],

C15 [7], C14 [6], A13 [5], C13 [4],

D11 [3], D10 [2], C10 [1], D9 [0]

I D U22 [31], V26 [30], N23 [29], P24 [28], WAN Interface clock inputs.

M22 [27], N24 [26], K23 [25], L24 [24] Programmable as active high or low.

All variants

Table 4 - WAN Access Interface

12

Zarlink Semiconductor Inc.

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