W7100A WIZnet, W7100A Datasheet - Page 133
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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MACRAW data should basically contain the 6bytes of ‘Source hardware address’, 6bytes of
‘destination hardware address’ and 2bytes of ‘Ethernet type’ because it is based on Ethernet
MAC.
command. After the ‘OPEN’ command, if the Sn_SR is successfully changed to
‘SOCK_MACRAW’, the SOCKET initialization is completed. Since all information about
communication (Source hardware address, Source IP address, Source port number, Destination
hardware address, Destination IP address, Destination port number, Protocol header, etc.) is
in the ‘MACRAW data’, there is no more register setting.
{
START:
}
Refer to the section 9.2.2.1 ‘Unicast & Broadcast’.
Select the SOCKET and set the SN_MR(P3:P0) to MACRAW mode. Then execute the ‘OPEN’
/* sets MAC raw mode */
S0_MR = 0x04;
/* sets OPEN command */
S0_CR = OPEN;
/* wait until Sn_SR is changed to SOCK_MACRAW */
if (S0_SR != SOCK_MACRAW) S0_CR = CLOSE; goto START;
SOCKET Initialization
Check received data
Figure 9.9 MACRAW Operation Flow
Ver. 1.12
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