MPC8264ACVR datasheet(6/48 Pages) MOTOROLA

6 / 48 page

MPC826xA (HiP4) Family Hardware Speciﬁcations

MOTOROLA

Electrical and Thermal Characteristics

– Internal rate mode (sub-rate)—FCC transfers only the data cells using the required data rate.

The TC layer generates idle/unassigned cells to maintain the line bit rate.

— Supports TC-layer and PMD-WIRE interface (according to the ATM-Forum af-phy-0063.000)

— Cell counters for performance monitoring

– 16-bit counters count

– HEC error cells

– HEC single bit error and corrected cells

– Idle/unassigned cells ﬁltered

– Idle/unassigned cells transmitted

– Transmitted ATM cells

– Received ATM cells

– Maskable interrupt is sent to the host when a counter expires

— Overrun (Rx cell FIFO) and underrun (Tx cell FIFO) condition produces maskable interrupt

— May be operated at E1 and DS-1 rates. In addition, xDSL applications at bit rates up to 10 Mbps

are supported

•

PCI bridge (MPC8265 and MPC8266 only)

— PCI Speciﬁcation Revision 2.2 compliant and supports frequencies up to 66 MHz

— On-chip arbitration

— Support for PCI to 60x memory and 60x memory to PCI streaming

— PCI Host Bridge or Periphera

l capabilities

— Includes 4 DMA channels for the following transfers:

– PCI-to-60x to 60x-to-PCI

– 60x-to-PCI to PCI-to-60x

– PCI-to-60x to PCI-to-60x

– 60x-to-PCI to 60x-to-PCI

— Includes all of the conﬁguration registers (which are automatically loaded from the EPROM

and used to conﬁgure the MPC8265) required by the PCI standard as well as message and

doorbell registers

— Supports the I2O standard

— Hot-Swap friendly (supports the Hot Swap Speciﬁcation as deﬁned by PICMG 2.1 R1.0

August 3, 1998)

— Support for 66 MHz, 3.3 V speciﬁcation

— 60x-PCI bus core logic which uses a buffer pool to allocate buffers for each port

— Makes use of the local bus signals, so there is no need for additional pins

1.2

Electrical and Thermal Characteristics

This section provides AC and DC electrical speciﬁcations and thermal characteristics for the MPC826xA.

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