EB632 datasheet(3/112 Pages) FREESCALE

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SIU

Functional Differences Between MSC8101 (Mask 2K42A) and MSC8103 (Mask 2K87M), Rev. 2

Freescale Semiconductor

3SIU

3.1

Internal Memory Map Register (IMMR) Change

The IMMR is updated in 2K87M to reflect the mask change. The MASKNUM bit field has changed to 0x12 to

reflect the correct revision level.

Memory Map

IMMMR

Not supported

Added

SCCR

Not supported

Added

Memory

Controller

ORx in UPM mode

Bit 27 is a Wait State bit. When bit 27 is

set, it add one wait state to the memory

cycle.

Bit 27 is reserved.

Host Port

(HDI16)

ICR and ISR

ICR and ISR do not support HDI6 bursts

of different sizes

ICR and ISR redefined to support HDI16

burst of several sizes.

Direct

Memory

Access

(DMA)

controller

Transfer Code (TC) bit definitions

As defined in Table 31 of this document.

The Transfer Code (TC) bit definitions

are modified to conform to the original

specification as listed in Table 31 of this

document.

Interrupts

SCPRR_L and SCPRR_L_EXT

YC1P–YC8P field definitions

The value 100 is reserved.

The value 100 = “TC layer asserts its

request in the YCCn position.”

Interrupt vector 44

Reserved

Assigned to TC layer interrupt.

JTAG/

EOnCE

system

JTAG ID

0x0188101D

0x1188101D

EOnCE Status Register (ESR)

values

ESR[REVNO] = 1

ESR[CORETP] = 0

ESR[REVNO] = 2

ESR[CORETP] = 2

EFCOP

Enhanced Filter Coprocessor

Supported as defined in the

MSC8101

Reference Manual

Not supported

CPM

RISC Controller Configuration

Enable RAM Microcode (ERAM) field 3

bits wide

Enable RAM Microcode (ERAM) field

changed to 4 bits wide

Dual-port RAM

24 KB

32 KB

IMA functionality

Not available

Added

Serial Interface (SI) and time-slot

assigner (TSA)

No TSA layer functionality.

TC layer functionality added to the TSA

for ATM with a new interrupt (vector 44)

All

Errata

Documented in the current errata list

See Table 48, Table 49, and Table 50 for

details.

Bootloader

Program

Code list

Available upon request.

Listed in Appendix A

Table 1. Difference Summary for MSC8101 Mask Set 2K42A and MSC8103 Mask Set 2K87M (Continued)

Module

Function

MSC8101 Mask Set 2K42A

MSC8103 Mask Set 2K87M

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