参数资料
型号: M68LC302CPU20VCT
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, PQFP100
封装: 14 X 14 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, PLASITC, LQFP-100
文件页数: 65/128页
文件大小: 641K
代理商: M68LC302CPU20VCT
ETHERNET Controller
4-2
MC68EN302 REFERENCE MANUAL
MOTOROLA
Figure 4-1. Ethernet Controller Block Diagram
4.1 REGISTER DESCRIPTION
Table 4-1 describes the Ethernet controller memory map.
Table 4-1. Ethernet Controller Memory Map
ADDRESS
NAME
MNEMONIC
TYPE
MOBA + 800
Ethernet Control Register
ECNTRL
Read/Write
MOBA + 802
Ethernet DMA Configuration Register
EDMA
Read/Write
MOBA + 804
Maximum Receive Buffer Length
EMRBLR
Read/Write
MOBA + 806
Interrupt Vector Register
INTR_VECT
Read/Write
MOBA + 808
Interrupt Event
INTR_EVENT
Read/Write
MOBA + 80A
Interrupt Mask Register
INTR_MASK
Read/Write
MOBA + 80C
Ethernet Configuration
ECNFIG
Read/Write
MOBA + 80E
Ethernet Test Register
ETHER_TEST
Read/Write
MOBA + 810
Address Recognition Control Register
AR_CNTRL
Read/Write
MOBA + (812-9FF)
Reserved
MOBA + A00
MOBA + BFF
CAM Entry Table
CET
Read/Write
MOBA + C00
MOBA + FFF
Buffer Descriptors Table
EBD
Read/Write
CONTROL
STATUS
REGISTERS
DESCRIPTOR
DUAL-PORT
RAM
TX/RCV
BUFFER
DESCRIPTOR
CONTROL
ETHERNET
PROTOCOL
MACHINE
RECEIVE
FIFO
TRANSMIT
FIFO
PHYSICAL LAYER SERIAL INTERFACE
MODULE BUS
ADDRESS
RECOGNITION
DUAL-PORT
RAM
TRANSMIT
STATUS
SYSTEM
INTERFACE
DMA
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