C5C5EDELTA-RMSLASHD datasheet(48/114 Pages) NXP

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CHAPTER 2: SIGNAL DESCRIPTIONS

Fabric Processor Interface

Signals

The FP has logical signal interfaces: a receive data interface and a transmit data interface,

each with its own control, data, and clock signals. The interface has the following

characteristic:

The interface clocks FRXCLK and FTXCLK can have a different frequency from the core

C-5e NP clock frequency. The FP supports a fabric interface frequency from 10MHz to

125MHz.

FRXCLK and FTXCLK can be independent of each other; typically they have the same

frequency, but are allowed to be skewed relative to each other.

Each data bus can be configured for widths of 8 (data bits 7:0 are used), 16 (bits 15:0), or

32 (bits 31:0). In 8bit mode, data bits 31:8 are unused. In 16bit mode, data bits 31:16 are

unused.

The following tables list the Fabric Interface pin mappings:

• Utopia1, Utopia2, Utopia3 ATM Mode mappings are listed in Table 20

• Utopia1, Utopia2, Utopia3 PHY Mode mappings are listed in Table 21

• PRIZMA Mode mappings are listed in Table 22 (PRIZMA protocol is a subset of Utopia3

PHY)

Table 19 Fabric Interface Signals

SIGNAL NAME

PIN #

TOTAL

TYPE

I/O

SIGNAL DESCRIPTION

FIN0 - FIN31

AE12, AD12, AC12, AJ11, AH11, AG11,AF11,

AE11, AD11, AC11, AJ10, AG10, AF10, AD10,

AC10, AJ9, AH9, AG9, AF9, AE9, AD9, AC9, AJ8,

AH8, AG8, AF8, AE8, AD8, AC8, AJ7, AH7, AG7

LVTTL

Fabric Data Bus In

FOUT0 - FOUT31

AJ18, AH18, AG18, AE18, AD18, AC18, AJ17,

AH17, AF17, AE17, AD17, AC17, AJ16, AH16,

AG16, AF16, AE16, AD16, AC16, AJ15, AG15,

AF15, AD15, AC15, AJ14, AH14, AG14, AF14,

AE14, AD14, AC14, AJ13

LVTTL

Fabric Data Bus Out

FRXCLK

AC6

LVTTL

Receive Clock

FTXCLK

AG12

LVTTL

Transmit Clock

FRXCTL0 - FRXCTL6

AE7, AD7, AC7, AJ6, AG6, AF6, AD6

LVTTL

PD, O

Receive Control Signals

FTXCTL0 - FTXCTL6

AH13, AF13, AE13, AD13, AC13, AJ12, AH12

LVTTL

PD, O

Transmit Control Signals

TOTAL PINS

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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