MSC8103RMSLASHD datasheet(24/104 Pages) FREESCALE

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MSC8103 Network Digital Signal Processor, Rev. 11

1-20

Freescale Semiconductor

Signals/Connections

PA12

FCC1: RXD2

UTOPIA

SDMA: MSNUM3

Input

Output

FCC1: UTOPIA Receive Data Bit 2

The MSC8103 inputs ATM cell octets (UTOPIA interface data) on

RXD[0–7]. This is bit 2 of the receive data. RXD7 is the most significant

bit. A cell is 53 bytes. To support Multi-PHY configurations, RXD[0–7] is

tri-stated, enabled only when RXENB is asserted.

Module Serial Number Bit 3

The MSNUM has 6 bits that identify devices using the serial DMA

(SDMA) modules. MSNUM[0–4] is the sub-block code of the current

peripheral controller using SDMA. MSNUM5 indicates the section,

transmit (0) or receive (1), that is active during the transfer. The

information is recorded in the SDMA transfer error registers.

PA11

FCC1: RXD1

UTOPIA

SDMA: MSNUM4

Input

Output

FCC1: UTOPIA RX Receive Data Bit 1

The MSC8103 inputs ATM cell octets (UTOPIA interface data) on

RXD[0–7]. This is bit 1 of the receive data. RXD7 is the most significant

bit. A cell is 53 bytes. To support Multi-PHY configurations, RXD[0–7] is

tri-stated, enabled only when RXENB is asserted.

Module Serial Number Bit 4

The MSNUM has 6 bits that identify devices using the serial DMA

(SDMA) modules. MSNUM[0–4] is the sub-block code of the current

peripheral controller using SDMA. MSNUM5 indicates the section,

transmit (0) or receive (1), that is active during the transfer. The

information is recorded in the SDMA transfer error registers.

PA10

FCC1: RXD0

UTOPIA

SDMA: MSNUM5

Input

Output

FCC1: UTOPIA RX Receive Data Bit 0

The MSC8103 inputs ATM cell octets (UTOPIA interface data) on

RXD[0–7]. RXD0 is the least significant bit of the receive data. A cell is

53 bytes. To support Multi-PHY configurations, RXD[0–7] is tri-stated,

enabled only when RXENB is asserted.

Module Serial Number Bit 5

The MSNUM has 6 bits that identify devices using the serial DMA

(SDMA) modules. MSNUM[0–4] is the sub-block code of the current

peripheral controller using SDMA. MSNUM5 indicates the section,

transmit (0) or receive (1), that is active during the transfer. The

information is recorded in the SDMA transfer error registers.

PA9

SMC2: SMTXD

SI1 TDMA1: L1TXD0

TDM nibble

Output

SMC2: Serial Management Transmit Data

The SMC interface consists of SMTXD, SMRXD, SMSYN, and a clock.

Not all signals are used for all applications. SMCs are full-duplex ports

that supports three protocols or modes: UART, transparent, or general-

circuit interface (GCI). See also PC15.

Time-Division Multiplexing A1: Layer 1 Transmit Data Bit 0

L1TXD0 is the least significant bit of the TDM nibble data.

PA8

SMC2: SMRXD

SI1 TDMA1: L1RXD0

TDM nibble

SI1 TDMA1: L1RXD

TDM serial

Input

SMC2: Serial Management Receive Data

The SMC interface consists of SMTXD, SMRXD, SMSYN, and a clock.

Not all signals are used for all applications. SMCs are full-duplex ports

that supports three protocols or modes: UART, transparent, or general-

circuit interface (GCI).

Time-Division Multiplexing A1: Layer 1 Nibble Receive Data Bit 0

L1RXD0 is the least significant bit received in nibble mode.

Time-Division Multiplexing A1: Layer 1 Serial Receive Data

TDMA1 receives serial data from L1RXD.

Table 1-7.

Port A Signals (Continued)

Name

Dedicated

I/O Data

Direction

Description

General-

Purpose I/O

Peripheral Controller:

Dedicated Signal

Protocol

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