參數(shù)資料
型號(hào)： DS80C400-FNY
廠商： Maxim Integrated Products
文件頁(yè)數(shù)： 76/97頁(yè)
文件大?。?/td> 0K
描述： IC MCU 75MHZ 16MB HP 100-LQFP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
產(chǎn)品變化通告： Product Discontinuation 20/Feb/2012
標(biāo)準(zhǔn)包裝： 90
系列： 80C
核心處理器： 8051
芯體尺寸： 8-位
速度： 75MHz
連通性： 1 線，CAN，EBI/EMI，以太網(wǎng)，SIO，UART/USART
外圍設(shè)備： 電源故障復(fù)位，WDT
輸入/輸出數(shù)： 64
程序存儲(chǔ)器容量： 64KB（64K x 8）
程序存儲(chǔ)器類型： ROM
RAM 容量： 1K x 8
電壓 - 電源 (Vcc/Vdd)： 1.62 V ~ 3.6 V
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 100-LQFP
包裝： 托盤
配用： DS80C400-KIT#-ND - EVAL KIT FOR DS80C400
DS80C400 Network Microcontroller
78 of 97
TCP/IP Stack and Berkeley Sockets
The ROM firmware implements TCP/IP Ethernet networking over an industry-standard/Berkeley socket interface.
The stack supports TCP and UDP transport protocols, allowing a maximum of 24 client/server sockets for either
IPv4 or IPv6. Table 19 lists the socket functions implemented and accessible in the ROM firmware. The full details
of each socket function are contained in the High-Speed Microcontroller User’s Guide: Network Microcontroller
Supplement.
Figure 19 illustrates the typical sequences for using TCP/UDP client/server sockets. The IPv4 implementation
supports multicasting, ICMP echo request (“ping”), DHCP client, and TFTP client. It does not, however, allow IP
packet fragmentation or reassembly, and it ignores the extended IP options field. The IPv6 implementation
supports ICMP and the TFTP client protocols.
Table 19. Socket Functions
FUNCTION
DESCRIPTION
socket
Creates the specified TCP or UDP network socket
closesocket
Closes the specified socket
sendto
Sends a UDP datagram to the specified address
recvfrom
Receives a UDP datagram
connect
Connects a TCP socket to the specified address
bind
Binds a socket to the specified address, port
listen
Listens for connections on the specified socket
accept
Accepts a TCP connection on the specified socket
recv
Reads data from the specified TCP socket connection
send
Sends data to the specified TCP socket connection
getsockopt
Gets options for the specified socket
setsockopt
Sets options for the specified socket
getsockname
Gets current local address for the specified socket
getpeername
Gets current remote address for the specified TCP socket
cleanup
Closes all sockets associated with the specified task ID
avail
Returns the number of bytes available for reading on the specified TCP socket
join
Adds the specified UDP socket to a specified multicast group
leave
Removes the specified UDP socket from a specified multicast group
ping
Sends ICMP echo request to the specified address
setnetworkparams
Sets the IPv4 address and configuration parameters
getnetworkparams
Gets the IPv4 address and configuration parameters
getipv6params
Gets the IPv6 address
getethernetstatus
Gets the status of the Ethernet link
gettftpserver
Gets the IP address of the TFTP server
settftpserver
Sets the IP address of the TFTP server
Figure 19. Typical TCP/UDP Sockets
UDP
Unicast
Multicast
TCP
Server
Client
socket
bind, getsockopt, setsockopt (optional)
listen (max. 16)
accept
connect
avail, send, recv
sendto, recvfrom
closesocket
join
leave
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