W7100A WIZnet, W7100A Datasheet - Page 114
W7100A
Manufacturer Part Number
W7100A
Description
8-bit Microcontrollers - MCU 8051 CORE+HARDWIRED TCP/IP+MAC+PHY
Manufacturer
WIZnet
Datasheet
1.W7100A.pdf
(156 pages)
Specifications of W7100A
Rohs
yes
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
255 B
Data Ram Size
64 KB
On-chip Adc
No
Operating Supply Voltage
3 V to 3.6 V
Operating Temperature Range
- 40 C to + 80 C
Package / Case
LQFP-100
Mounting Style
SMD/SMT
Interface Type
UART
Program Memory Type
Flash
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9.2.1.1 TCP SERVER
the SOCKET. The SOCKET opening process selects one SOCKET from 8 SOCKETS of the W7100A,
and sets the protocol mode (Sn_MR(P3:P0)) and Sn_PORT0 which is source port number (Listen
port number in “TCP SERVER”) in the selected SOCKET, and then executes OPEN command.
After the OPEN command, if the status of Sn_SR is changed to SOCK_INIT, the SOCKET
initialization process is completed.
The Initialization process of SOCKET n in TCP mode is shown below.
{
START:
SOCKET initialization is required for TCP data communication. The initialization is opening
The SOCKET initialization process is identically applied in “TCP SEVER” and “TCP CLIENT”.
Sn_MR = 0x0001;
SOCKET Initialization
Figure 9.3 “TCP SERVER” Operation Flow
// sets TCP mode
Ver. 1.12
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