MPC8270 MOTOROLA [Motorola, Inc], MPC8270 Datasheet - Page 6

• Manufacturer Part Number: MPC8270
• Description: PowerQUICC II Family Hardware Specifications
• Manufacturer: MOTOROLA [Motorola, Inc]

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— Four serial communications controllers (SCCs) identical to those on the MPC860, supporting
— Universal serial bus (USB) controller
— Two serial management controllers (SMCs), identical to those of the MPC860
— One serial peripheral interface identical to the MPC860 SPI
— One inter-integrated circuit (I
— Up to eight TDM interfaces (four on the MPC8270)
the digital portions of the following protocols:
– Ethernet/IEEE 802.3 CDMA/CS
– HDLC/SDLC and HDLC bus
– Universal asynchronous receiver transmitter (UART)
– Synchronous UART
– Binary synchronous (BISYNC) communications
– Transparent
– Supports USB 2.0 full/low rate compatible
– USB host mode
– Supports USB slave mode
– Provide management for BRI devices as general circuit interface (GCI) controllers in time-
– Transparent
– UART (low-speed operation)
– Microwire compatible
– Multiple-master, single-master, and slave modes
– Supports two groups of four TDM channels for a total of eight TDMs (one group of four on
– 2,048 bytes of SI RAM
– Bit or byte resolution
division-multiplexed (TDM) channels
the MPC8270 and the MPC8275)
–Supports control, bulk, interrupt, and isochronous data transfers
–CRC16 generation and checking
–NRZI encoding/decoding with bit stuffing
–Supports both 12- and 1.5-Mbps data rates (automatic generation of preamble token and
–Flexible data buffers with multiple buffers per frame
–Supports local loopback mode for diagnostics (12 Mbps only)
–Four independent endpoints support control, bulk, interrupt, and isochronous data
–CRC16 generation and checking
–CRC5 checking
–NRZI encoding/decoding with bit stuffing
–12- or 1.5-Mbps data rate
–Flexible data buffers with multiple buffers per frame
–Automatic retransmission upon transmit error
data rate configuration). Note that low-speed operation requires an external hub.
transfers
MPC8280 PowerQUICC II™ Family Hardware Specifications
2
C) controller (identical to the MPC860 I
2
C controller)
MOTOROLA