W5100 WIZnet, W5100 Datasheet - Page 55
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W5100
Manufacturer Part Number
W5100
Description
Ethernet ICs 3-IN-1 ENET CONTR TCP/IP+MAC+PHY
Manufacturer
WIZnet
Datasheet
1.W5100.pdf
(71 pages)
Specifications of W5100
Rohs
yes
Product
Ethernet Controllers
Data Rate
10 Mb/s, 100 Mb/s
Supply Voltage - Max
3.6 V
Supply Voltage - Min
3 V
Maximum Operating Temperature
+ 80 C
Package / Case
LQFP-80
Ethernet Connection Type
10Base-T, 100Base-TX
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Standard Supported
802.3, 802.3u
Available stocks
Company
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Manufacturer
Quantity
Price
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© Copyright 2009-2010 WIZnet Co., Inc. All rights reserved.
}
{
}
{
}
}
else
{
}
/* increase Sn_TX_WR as length of send_size */
Sn_TX_WR += send_size;
/* set SEND command */
Sn_CR = SEND;
If (Sn_CR == 0x00) transmission is completed.
The sending completion should be checked after SEND command.
Timeout occurs if remote peer does not exist or data transmission is not normally
processed. It can be checked as below.
If (Sn_IR(TIMEOUT bit) == „1‟) goto next stage;
/* In this case, if the interrupt of Socket n is activated, interrupt occurs. Refer to
/* copy upper_size bytes of source_addr to get_start_address */
upper_size = (gSn_TX_MASK + 1) – get_offset;
memcpy(source_addr, get_start_address, upper_size);
/* update source_addr*/
source_addr += upper_size;
/* copy left_size bytes of source_addr to gSn_TX_BASE */
left_size = send_size – upper_size;
memcpy(source_addr, gSn_TX_BASE, left_size);
/* copy send_size bytes of source_addr to get_start_address */
memcpy(source_addr, get_start_address, send_size);
Interrupt Register(IR), Interrupt Mask Register (IMR) and Socket n Interrupt Register
(Sn_IR). */
Complete Sending?
Timeout
55