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WIZ830MJ Datasheet

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WIIZZ88

1100M

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I : Input

O : Output

I/O : Bi-directional Input and output

P : Power

2.2.

Power & Ground

Symbol

Type

Pin No.

Description

VCC

J1:1,

J2:1

Power : 3.3 V power supply

GND

J1:18,

J2:10,

J2:15,

J2:16,

J2:23,

J2:24

Ground

2.3.

MCU Interfaces

Symbol

Type

Pin No.

Description

A[9:0]

J1:19 ~ J1:28

Address

Used as Address[9-0] pin

D[15:8]

I/O

J1:2 ~ J1:9

Data

16 bit-wide high data bus

In case of using 8 bit data bus, there are driven as

High-Z

D[7:0]

I/O

J1:10 ~ J1:17

Data

16 bit-wide low data bus

/CS

J2:19

Module Select : Active low.

/CS of W5300

/RD

J2:20

Read Enable : Active low.

/RD of W5300

/WR

J2:21

Write Enable : Active low

/WR of W5300

/INT

J2:18

Interrupt : Active low

After reception or transmission it indicates that the

W5300 requires MCU attention.

By writing values to the Interrupt Register(IR) of

W5300 the interrupt will be cleared by host.

All interrupts can be masked by writing values to

the IMR of W5300 (Interrupt Mask Register).

For more details refer to the W5300 Datasheet

BIT16EN

J2:2

16/8 bit data bus select.

High : 16 bit data bus

Low : 8 bit data bus.

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