参数资料
型号: 78Q8430EBST#DB
厂商: Maxim Integrated Products
文件页数: 88/88页
文件大小: 0K
描述: EVAL BOARD 78Q8430
标准包装: 1
系列: *
DS_8430_001
78Q8430 Data Sheet
Rev. 1.2
9
1.2.3
IP PBX Application
Figure 4 shows a typical application diagram for an IP PBX application.
Figure 4: Typical FXO VoIP Application
1.3
Overview
The 78Q8430 is divided into four sections, as shown in Figure 5.
Generic Bus Interface (GBI) Control Layer
Queue Memory Layer
Ethernet Media Access Control (MAC) Layer
Ethernet Physical (PHY) Layer
CAM
RMON
GBI Bus Layer
Queue Memory Layer
MAC Layer
PHY Layer
GBI
Access
Logic
GBI
DMA Slave
Mode Logic
QUEUE
SRAM
Pause/
HNR
Timers
Snoop
Controller
QUE
Controller
QUE Write
Logic
QUE Write
Logic
QUE Read
Logic
Memory
Manager
CTL
Controller
Packet
Classify
MAC Write
Logic
MAC Read
Logic
Flow
Control
MAC TX
Logic
TX
FIFO
RX
FIFO
MAC RX
Logic
MAC Control
& Status
Registers
TX
PCS
RX
PCS
PMD
SMI Control
& Status
Register
QUE Write
Logic
QUE Write
Logic
Figure 5: Device Block Diagram
78Q8430
10/100 MAC/PHY
78Q8430
10/100 MAC/PHY
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