Pin Description - Wiznet WIZ810Sio User Manual

2.2. Pin description

Pin No. I/O
1 P
2 P
3 I
4 I
5 I
J1
6 O
1 P
2 P
3 P
4 I
J2
5 I
6 O
WIZ810Sio User Manual (WIZnet Co.,Ltd.)
Pin Name
GND Ground
GND Ground
SPI Master Out Slave In
MOSI
This pin is used to SPI MOSI signal pin.
SPI Clock
SCLK
This pin is used to SPI Clock Signal pin.
SPI Slave Select : Active Low
SCSn This pin is used to SPI Slave Select signal
Pin when using SPI interface.
Interrupt : Active low
This pin indicates that W5100S requires
MCU attention after socket connecting,
disconnecting, data receiving timeout, and
INTn
WOL (Wake on LAN). The interrupt is
cleared by writing IR Register or Sn_IR
(Socket n-th Interrupt Register). All
interrupts are maskable.
GND Ground
3V3D Power : 3.3 V power supply
3V3D Power : 3.3 V power supply
- -
Reset : RSTn initializes W5100S. RSTn
must be asserted to Low longer than
500ns. After asserted RSTn,
RSTn
W5100S spends 60.3ms for initialization.
Low : W5100S initialized.
High : Normal Operation.
SPI Master In Slave Out
MISO
This pin is used to SPI MISO signal pin.
Description
6