MC68360CVR25L Freescale Semiconductor, MC68360CVR25L Datasheet - Page 926
MC68360CVR25L
Manufacturer Part Number
MC68360CVR25L
Description
IC MPU QUICC 25MHZ 357-PBGA
Manufacturer
Freescale Semiconductor
Datasheets
1.MC68EN360VR25L.pdf
(14 pages)
2.MC68EN360VR25L.pdf
(2 pages)
3.MC68360AI25L.pdf
(962 pages)
Specifications of MC68360CVR25L
Processor Type
M683xx 32-Bit
Speed
25MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
357-PBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
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RISC Microcode from RAM
C.2.3 Performance
At 25Mhz, an MGCI serial bit rate of 2 Mbps on one SCC consumes 20 - 25% of the pro-
cessing power of the RISC communications engine. An MGCI SCC operating at a serial bit
rate of 2Mbps carries 32 x 64Kbit channels, Table C-2 shows possible QUICC configuration.
C.3 ATOM1/ATM CONTROLLER
ATOM1 provides physical layer ATM functions by converting one or more of the QUICC’s
Serial Communication Controllers (SCCs) into an ATM cell transmitter and receiver. The
microcode provides the user with basic cell streaming facilities (cell reception and transmis-
sion) and event indications. The primary application of ATOM1 is intended to be plesiochro-
nous digital hierarchy (PDH) and synchronous digital hierarchy (SDH) E1 and DS1 ATM
equipment. Such equipment is used for signalling and low rate data transfer.
Figure C-2 shows an ATM / frame relay interworking system as may be used in remote
bridging applications. Using the Ethernet channel available on the QUICC, remote LAN
bridging equipment can be constructed to link remote Ethernet LANs over E1 telecommuni-
cations links.
C.3.1 Key Features
C-4
• All receive data is timestamped.
• Handles 2, 4, 8, or 16 ISDN lines with full C/I and monitor channel functions.
• Handles up to 32 ISDN lines with only C/I channels.
• Simultaneous detection of multiple C/I code changes and transmission changes.
• Maskable interrupts generated for many events.
• Handles GCI monitor messages from 1 to 64 Kilobytes in length.
• Monitor receiver can be locked into a particular channel.
• Monitor receiver and transmitter include timers to prevent lockup due to inactivity.
• Operates independently of user CPU activity.
• Consumes 1280 bytes of the QUICC’s internal memory.
• Cell transmission and reception for all AAL protocols.
• Transmit and receive data buffers located in main memory.
• Microcode constructs the cell header and appends user defined payload on transmit.
• Microcode verifies cell headers and strips HEC before passing cell to the user on re-
ceive.
MGCI SCCs
1 x 2 Mbit/s
2 x 2 Mbit/s
Freescale Semiconductor, Inc.
Risc Bandwidth
Consumed (est)
Table C-2. MGCI SCC Configuration
For More Information On This Product,
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MC68360 USER’S MANUAL
Go to: www.freescale.com
3 x 2 Mbit HDLC, 2 x 9.6 Kbit SMC UART
2 x 2 Mbit HDLC, 2 x 9.6 Kbit SMC UART
Possible Configuration of Other Channels
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