MSC8103RMSLASHD datasheet(34/104 Pages) FREESCALE

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MSC8103 Network Digital Signal Processor, Rev. 11

1-30

Freescale Semiconductor

Signals/Connections

PC13

SI1: L1ST4

SCC2: CTS,CLSN

FCC1:TXADDR1

UTOPIA master

FCC1: TXADDR1

UTOPIA slave

Output

Input

Output

Input

Serial Interface 1: Layer 1 Strobe 4

The MSC8103 time-slot assigner supports up to four strobe outputs that

can be asserted on a bit or byte basis. The strobe outputs are useful for

interfacing to other devices that do not support the multiplexed interface or

for enabling/disabling three-state I/O buffers in a multiple-transmitter

architecture. These strobes can also generate output wave forms for such

applications as stepper-motor control.

SCC2: Clear to Send, Collision

Typically used in conjunction with RTS. The MSC8103 SCC2 transmitter

sends out a request to send data signal (RTS). The request is accepted

when CTS is returned low. CLSN is the signal used in Ethernet mode. See

also PC28.

FCC1: UTOPIA Multi-PHY Master Transmit Address Bit 1

This is master transmit address bit 1.

FCC1: UTOPIA Multi-PHY Slave Transmit Address Bit 1

This is slave transmit address bit 1.

PC12

SI1: L1ST3

SCC2: CD, RENA

FCC1: RXADDR1

UTOPIA master

FCC1: RXADDR1

UTOPIA slave

Output

Input

Output

Input

Serial Interface 1: Layer 1 Strobe 3

The MSC8103 time-slot assigner supports up to four strobe outputs that

can be asserted on a bit or byte basis. The strobe outputs are useful for

interfacing to other devices that do not support the multiplexed interface or

for enabling/disabling three-state I/O buffers in a multiple-transmitter

architecture. These strobes can also generate output wave forms for such

applications as stepper-motor control.

SCC2: Carrier Detect, Request Enable

Typically used in conjunction with RTS supported by SCC2. The MSC8103

SCC2 transmitter requests to the receiver that it sends data by asserting

RTS low. The request is accepted when CTS is returned low.

FCC1: UTOPIA Multi-PHY Master Receive Address Bit 1

This is master receive address bit 1.

FCC1: UTOPIA Multi-PHY Slave Receive Address Bit 1

This is slave receive address bit 1.

Table 1-9.

Port C Signals (Continued)

Name

Dedicated

I/O Data

Direction

Description

General-

Purpose I/O

Peripheral Controller:

Dedicated I/O

Protocol

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