參數資料
型號: MC68838FCC
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 1 CHANNEL(S), 125M bps, FDDI CONTROLLER, CQFP120
封裝: CERAMIC, QFP-120
文件頁數: 7/100頁
文件大?。?/td> 465K
代理商: MC68838FCC
2-2
MC68838 USER’S MANUAL
MOTOROLA
2.2.1 Receive Latch
The receive latch clocks data from the ELM chip. The data signals are latched by using
an internal clock, SAMPLE_CLK (see SYMCLK description in Section 4, Signal
Description). The latched data signals are then relatched by BYTCLK to provide stable
symbols for MAC processing.
RECEIVE DATA LATCH
TRANSMIT DATA LATCH
TIMERS
TRANSMIT
FSM
RECEIVE
CRC
CHECKER
SENT
COUNT
COUNTERS
CAPTURE
TOKEN
TRANSMIT
CRC
RECEIVE
FSM
RECEIVE DATA
HOST INTERFACE
TRANSMIT DATA
HOST INTERFACE
NODE PROCESSOR
INTERFACE
TEST INTERFACE
SEND
FRAME
ADDRESS
COMPARE
MAC-PHY RECEIVE
SIGNALS
TEST SIGNALS
MAC-PHY TRANSMIT
SIGNALS
MAC-FSI RECEIVE
SIGNALS
CLOCK SIGNALS
NODE PROCESSOR SIGNALS
MAC-FSI TRANSMIT
SIGNALS
Figure 2-1. MAC Block Diagram
ARCHIVE
INFORMA
TION
ARCHIVE
INFORMA
TION
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