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What are differences of EG-SR-7100A and WIZ100SR?
-EG-SR-7100A and WIZ100SR have same exterior of 2x12 pin header type
diff t t d i h d l Th i t f EG
SR
7100A
-
diff
eren
t
p
ar
t
s are use
d
i
n eac
h
mo
d
u
l
e.
Th
e ma
i
n
p
ar
t
s o
f
EG
-
SR
-
7100A
are
8051MCU, W3100A, PHY, SRAM and EEPROM, but WIZ100SR are just 8051MCU and W5100. In
below chart, the detail is described
MCU
Ext
Ext
Products
MCU
(Flash, SRAM, EEPROM)
Ext
.
SRAM
Ext
.
EEPROM
TCP/IP PHY Transformer I/F
EG-SR-7100A
8051
(32KB,4KB,0KB)
32KB 2KB W3100A RTL8201BL
WIZ100SR
8051
(62KB,16KB, 2KB)
X X W5100
X (embedded in
W5100)
Not equal to
EG-SR-7100A
-The transformer interface of WIZ100SR is different from EG-SR-7100A because of different PHY
-If existing EG-SR-7100A user changes the module to WIZ100SR without modifying the base board
circuit related to transformer interface the operation will not be normal
circuit
related
to
transformer
interface
,
the
operation
will
not
be
normal
.
-there is not any difference in the firmware. If the base board circuit is correctly modified, WIZ100SR
can be applied as it is.
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