参数资料
型号: MC68EN302CPV20BT
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 4 CHANNEL(S), 10M bps, LOCAL AREA NETWORK CONTROLLER, PQFP144
封装: 20 X 20 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, PLASITC, LQFP-144
文件页数: 22/128页
文件大小: 641K
代理商: MC68EN302CPV20BT
MC68302 Product Summary Page
q
Line Cards
q
Network Bridges
q
Gateways
Technical Specifications
q
MC68000/MC68008 Microprocessor Core (May be disabled to use the IMP as a peripheral)
q
SIB Including:
r
Independent Direct Memory Access (IDMA) Controller
r
Interrupt controller with two modes of operation
r
Parallel I/O ports, some with interrupt capability
r
On-Chip 1152-bytes of dual-port RAM
r
Three timers, with a software watchdog timer
r
Four programmable chip-select lines with wait-state logic
r
Programmable address mapping of dual-port RAM and IMP registers
q
On-Chip clock generator with an output clock signal
q
System Control
r
Bus arbitration logic with low interrupt latency support
r
System control register
r
Hardware watchdog for monitoring bus activity
r
Low power (Standby) modes
r
Disable CPU logic (M68000)
r
Freeze control for debugging selected on-chip peripherals
r
DRAM refresh controller
q
CP Including:
r
Main controller (RISC Processor)
r
Three full-duplex Serial Communication/Controllers with the following protocols:
s
HDLC/SDLC
s
Bisync
s
UART
s
DDCMP
s
Totally Transparent
s
V.110
r
Six serial DMA channels dedicated to the three SOCs
r
Capability to send/receive up to eight buffers/frames without M68000 core intervention
r
Flexible physical interface accessible by SCCs for Inter-chip Digital Link (IDL), General Circuit Interface
(GCI).
r
Pulse Code Modulation (PCM), and Non-multiplexed Serial Interface (NMSI) Operation.
r
Serial Communication Port (SCP) for synchronous communication.
r
Two Serial Management Controllers (SMCs) for IDL and GCI Channel.
MC68302 Parametrics
Description
Processor Speed
(MHz)
Bus Interface
(Bits)
Memory
Voltage
(V)
Package
Performance
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