•
•
•
•
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— Asynchronous HDLC to support PPP (point-to-point protocol)
— AppleTalk
®
— Universal asynchronous receiver transmitter (UART)
— Synchronous UART
— Serial infrared (IrDA)
— Totally transparent (bit streams)
— Totally transparent (frame based with optional cyclic redundancy check (CRC))
QUICC multichannel controller (QMC) microcode features
— Up to 64 independent communication channels on a single SCC
— Arbitrary mapping of 0–31 channels to any of 0–31 TDM time slots
— Supports either transparent or HDLC protocols for each channel
— Independent TxBDs/Rx and event/interrupt reporting for each channel
One universal serial bus controller (USB)
— Supports host controller and slave modes at 1.5 Mbps and 12 Mbps
Two serial management controllers (SMCs)
— UART
— Transparent
— General circuit interface (GCI) controller
— Can be connected to the time-division-multiplexed (TDM) channel
One serial peripheral interface (SPI)
— Supports master and slave modes
— Supports multimaster operation on the same bus
One I
2
C
®
(interprocessor-integrated circuit) port
— Supports master and slave modes
— Supports multimaster environment
Time slot assigner
— Allows SCCs and SMCs to run in multiplexed 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 syncs, clocking
— Allows dynamic changes
— Can be internally connected to four serial channels (two SCCs and two SMCs)
Low-power support
6
MPC850 (Rev. A/B/C) Hardware Specifications
MOTOROLA
MOTOROLA [ MOTOROLA, INC ]
