Motorola MPC823e Reference Manual page 51

• Two Serial Communication Controllers
Ethernet/IEEE 802.3 Support (10Mbps and Full-Duplex Operation)
GeoPort Support
HDLC Bus Implements an HDLC-Based Local Area Network
Universal Asynchronous Receiver Transmitter (UART)
Synchronous UART
Serial Infrared (IrDA) Supporting a Maximum of 4Mbps (SCC2 only)
Totally Transparent. Frame Based with Optional Cyclical Redundancy Check
Maximum Serial Data Rate of 66Mbps at 75MHz
• One Dedicated High-Speed Serial Channel for the Universal Serial Bus (USB)
Supports USB Slave Mode At a Maximum of 12Mbps With Four USB Endpoints
(One for Control and Three for Data)
• Two Serial Management Controllers with Externally Accessible Pins
Provides Management for BRI Devices as General Circuit Interface Control
Functions in TDM Channels
Low-Speed UART, Transparent and CODEC Interfaces
• One Serial Peripheral Interface
Supports Master and Slave Modes
Supports Multimaster Operation on the Same Bus
2 ®
• One I C (Microwire-Compatible) Interface that Supports Master and Slave Modes
• Serial Interface with a Time-Slot Assigner
Allows Serial Communication Controllers and Serial Management Controllers to be
Used in Multiplexed and/or Nonmultiplexed Operation
Supports T1, CEPT, PCM Highway, ISDN Basic Rate, ISDN Primary Rate,
User-Defined
1- or 8-Bit Resolution
Allows Independent Transmit and Receive Routing, Frame Synchronization, and
Dynamic Clocking Modification Capability
Eight Programmable Strobes Can be Used to Generate Wave Patterns
Software-Configurable for Internal Interconnection of CPM Serial Channels
• Four Independent 16-Bit Timers That can be Configured as Two 32-Bit Timers.
• Interrupts
Seven External Interrupt Request (IRQ) Lines
One Nonmaskable Interrupt
Twelve Port Pins with Interrupt Capability
Ten Internal Interrupt Sources
Programmable Highest Priority Request
MOTOROLA MPC823e REFERENCE MANUAL
Introduction
1-3