MC68302EH20C Freescale Semiconductor, MC68302EH20C Datasheet - Page 121
MC68302EH20C
Manufacturer Part Number
MC68302EH20C
Description
IC MPU MULTI-PROTOCOL 132-PQFP
Manufacturer
Freescale Semiconductor
Datasheets
1.MC68302AG20C.pdf
(4 pages)
2.MC68302AG20C.pdf
(2 pages)
3.MC68302AG20C.pdf
(13 pages)
4.MC68302EH20C.pdf
(481 pages)
Specifications of MC68302EH20C
Processor Type
M683xx 32-Bit
Speed
20MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
132-MQFP, 132-PQFP
Family Name
M68000
Device Core
ColdFire
Device Core Size
32b
Frequency (max)
20MHz
Instruction Set Architecture
RISC
Supply Voltage 1 (typ)
5V
Operating Temp Range
0C to 70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
132
Package Type
PQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Compliant
Available stocks
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- MC68302AG20C PDF datasheet
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- MC68302AG20C PDF datasheet #3
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SECTION 4
COMMUNICATIONS PROCESSOR (CP)
The CP includes the following modules:
4.1 MAIN CONTROLLER
The CP main controller is a RISC processor that services the three SCCs, the SCP, and the
SMCs. Its primary responsibilities are to work with the serial channels to implement the user-
chosen protocol and to manage the SDMA channels that transfer data between the SCCs
and memory. The CP main controller also executes commands issued by the M68000 core
(or an external processor) and generates interrupts to the interrupt controller.
The operation of the main controller is transparent to the user, executing microcode located
in a private internal ROM (see Figure 4-1). Commands may be explicitly written to the main
controller by the M68000 core through the CP command register. Additionally, commands
and status are exchanged between the main controller and the M68000 core through the
MOTOROLA
• Main Controller (RISC Processor)
• Six Serial Direct Memory Access (SDMA) Channels
• A Command Set Register
• Serial Channels Physical Interface Including:
• Three Independent Full Duplex Serial Communication Controllers (SCCs) Supporting
• Serial Communication Port (SCP) for Synchronous Communication
• Two Serial Management Controllers (SMCs) to Support the IDL and GCI Management
—Motorola Interchip Digital Link (IDL)
—General Circuit Interface (GCI), also known as IOM-2
—Pulse Code Modulation (PCM) Highway Interface
—Nonmultiplexed Serial Interface (NMSI) Implementing Standard
—Modem Signals
the Following Protocols:
—High-Level/Synchronous Data Link Control (HDLC/SDLC)
—Universal Asynchronous Receiver Transmitter (UART)
—Binary Synchronous Communication (BISYNC)
—Synchronous/Asynchronous Digital Data Communications Message
—Protocol (DDCMP)
—Transparent Modes
—V.110 Rate Adaption
Channels
MC68302 USER’S MANUAL
4-1
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