参数资料
型号: S1S60000F00A100
元件分类: 微控制器/微处理器
英文描述: 1 CHANNEL(S), 2M bps, LOCAL AREA NETWORK CONTROLLER, PQFP100
封装: 14 X 14 MM, 1.40 MM HEIGHT, PLASTIC, QFP15-100
文件页数: 10/83页
文件大小: 1024K
代理商: S1S60000F00A100
S1S60000 Technical Manual
12
EPSON
Rev.1.5
2.3.2
Serial Emulation Mode
When the “serial emulation mode” mentioned in Table 2.1 is set, the serial interface operates in the serial
emulation mode.
In this mode, serial interface transmit and receive data are transmitted and received between
destinations connected to the network (S232 is converted to Ethernet and vice versa).
This mode is an
especially effective way for a device with a conventional RS232 interface to exchange data with another device
on the Ethernet.
A TCP/IP connection is used.
By enabling RTC/CTS control, flow control is also possible.
The communication conditions are set up by the SERMODE register.
[ Establishing connection ]
When GPIO [15:8] is set to the serial emulation mode, the S1S60000 performs processing equivalent to when a
System Open command and TCP Open command are transmitted from the host interface.
The contents of the
SOPAR register are used as parameters by the System Open command.
With TCP Open, if SERCONF
(bit[10:8] = 010 and Active Open, 011 then Passive Open processing is performed.
In Active Open (when the client is operating), a connection request is issued to establish connection for the IP
address (set by the DADR0H, DADR0L register) of the address preset in the EEPROM and the port (set by the
PORT register).
When the connection is later terminated by the destination, reconnection is performed
automatically.
In Passive Open (when the server is operating) the server opens the self-preset communication port (set by the
PORT register) and waits for the connection (listen status).
Connection is established when it is requested from
outside.
[ Transmission from Serial Interface to Network ]
Serial data received from the serial interface is output to the network when no data is received during the transfer
time of about 100 data after the last data was received or when 1 packet (536 bytes) of data was received.
[ Transmission from Network to Serial Interface ]
Data received from the network is transmitted to the serial interface after an error check is executed and header
information is removed inside S1S60000.
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