MC68EN360AI25VL Freescale, MC68EN360AI25VL Datasheet - Page 928
MC68EN360AI25VL
Manufacturer Part Number
MC68EN360AI25VL
Description
Manufacturer
Freescale
Datasheet
1.MC68EN360AI25VL.pdf
(962 pages)
Specifications of MC68EN360AI25VL
Family Name
M68000
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
25MHz
Instruction Set Architecture
RISC
Operating Supply Voltage (max)
3.3V
Operating Supply Voltage (min)
2.7V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
240
Package Type
FQFP
Lead Free Status / RoHS Status
Compliant
Available stocks
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Quantity
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Part Number:
MC68EN360AI25VL
Manufacturer:
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Quantity:
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Part Number:
MC68EN360AI25VL
Manufacturer:
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RISC Microcode from RAM
C.4 ASYNCHRONOUS HDLC FOR PPP
Asynchronous HDLC is a frame-based protocol (see Figure 3), defined by the Internet Engi-
neering Task Force (IETF) "Request For Comments #1549" which uses HDLC framing tech-
niques in conjunction with UART-type characters. This protocol is typically used as the
physical layer for the Point-to-Point (PPP) protocol. While this protocol can be implemented
by the UART controller on the QUICC in conjunction with the CPU32+, it is more efficient
and less compute-intensive for the CPU to allow the Communications Processor Module
(CPM) of the QUICC to perform the framing and transparency functions of the protocol.
C.4.1 Key Features
C-6
• Flexible data buffer structure which allows an entire frame or a section of a frame to be
• Separate interrupts for received frames and transmitted buffers.
• Automatic 16-bit CRC generation and checking (CRC-CCITT).
• Automatic generation of opening and closing flags.
1 x 10 Mbit/s non-scrambling
1 x 6 Mbit/s with scrambling
2 x 2 Mbit/s with scrambling
2 x 2 Mbit/s non-scrambling
transmitted and received.
ATOM1 Channels
Ethernet
Figure C-3. Asynchronous HDLC Block Diagram
MC68160
Interface
Interface
EEST
WAN
WAN
Freescale Semiconductor, Inc.
For More Information On This Product,
Consumed (est)
Risc Bandwidth
Table C-3. ATOM1 Configuration
90%
90%
40%
40%
MC68360 USER’S MANUAL
Go to: www.freescale.com
SCC3
SCC1
SCC2
MC68360
QUICC
3 x 64Kbit HDLC or Transparent
2 x 64Kbit HDLC or Transparent
2 x 2.5 Mbit HDLC or Transparent, 9.6 Kbit SMC UART
1 x 10 Mbit Ethernet, 9.6 Kbit SMC UART
SCC4
Possible Configuration of Other Channels
RS232
Driver
Asynchronous
HDLC
Modem
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