WIZ750SR-100 Datasheet
Hardware Specification
Product Spec Table
Category | Description | |
---|---|---|
MCU | ARM Cortex-M0 Core | W7500 48Mhz maximum frequency Internal 8Mhz RC Oscillator Flash: 128KB Large flexible-size SRAM buffer for various User Application - Min 16KB available if full 32KB socket buffer used - Max 48KB available if no socket buffer used ROM for boot code: 6 KB |
MCU | Hardwired TCP/IP Core | 8 independent Sockets SRAM for socket: 32KB MII (Medium-Independent Interface) TCP/IP Protocols: TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE |
PHY | Transceiver | IP101GRI Single 10/100M Ethernet Transceiver |
Serial | Interface | UART (LVTTL 3.3V) |
Serial | Signal | TXD, RXD, RTS, CTS, DTR, DSR GND |
Serial | Parameters | Parity: None, Odd, Even Data bits: 7, 8 bit Flow control: None, RTS / CTS, XON / XOFF |
Serial | Speed | Up to 230Kbps |
Dimension | 50mm x 30mm x 12mm (Include part size) | |
Connector type | Mount Connector 2.00mm Pitch 1x12 Pin-header 2EA Not Mount Connector 2.00mm Pitch 1x12 Pin-header 1ea 2.54mm Pitch 1x6 Pin-header 1.27mm Pitch 1x5 Pin-header | |
Input Voltage | DC 3.3V, 100mA under | |
Temperature | -40℃ ~ 85℃ (Operation), -40℃ ~ 85℃ (Storage range) |
WIZ750SR-100 Callout
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WIZ750SR-100 Pinout

WIZ750SR-100 indicate

Pin Number | Pin Name | Signal | Description |
---|---|---|---|
1 | LD1 | Power LED | - |
2 | LD2 | Status_LED0 | PHY LINK check or initialize done |
3 | LD3 | Status_LED1 | TCP Connectoin |
4 | LD4 | STATUS | Trigger mode indicate TCP connection indicate |
5 | LD5 | UART0 RX | UART receiver indicate |
6 | LD6 | UART0 TX | UART Transceiver indicate |
WIZ750SR-100 Block Diagram

WIZ750SR-100-EVB
- WIZ750SR-100 Developer Board.
- USB to UART chip, CP2104.
- RESET Tact SW.
- BOOT0 Slide SW.
- H/W Trig Slide SW.
- Expansion GPIO TEST (Digital / Analog)
- Micro USB.
- WIZ750SR-100-EVB (RS-232)
- RS-232C Transceiver, D-SUB9-MALE.

Serial Interface

Pin Number | Signal | Description |
---|---|---|
1 | DCD | NC |
2 | RXD | Receive Data |
3 | TXD | Transmit Data |
4 | DTR | Data Terminal Ready |
5 | GND | System Ground(Signal Ground) |
6 | DSR | Data Set Ready |
7 | RTS | Request To Send |
8 | CTS | Clear To Send |
9 | RI | NC |
- RXD, TXD, GND: These are all you need if the device does not use hardware handshaking.
- RXD, TXD, GND, RTS, CTS: These are the signals used when serial device uses hardware handshaking.
- DTR, DSR: Not used

Schematic & Artwork
WIZ750SR-100
H/W version | Type | Filetype | Download Link | Remarks |
---|---|---|---|---|
1.0 | TTL | Altium | - | |
::: | ::: | - | ||
1.1 | TTL | Altium | - | |
::: | ::: | - |
WIZ750SR-EVB
H/W version | Type | Filetype | Download Link | Remarks |
---|---|---|---|---|
1.0 | RS232 | Altium | - | |
::: | ::: | - |
3D File
H/W version | Type | Filetype | Download Link | Remarks |
---|---|---|---|---|
1.1 | TTL | Altium | - |
Part list
WIZ750SR-100
H/W version | Type | Filetype | Download Link | Remarks |
---|---|---|---|---|
1.0 | TTL | Excel | ||
::: | ::: | |||
1.1 | TTL | Excel | ||
::: | ::: |
WIZ750SR-100-EVB
H/W version | Type | Filetype | Download Link | Remarks |
---|---|---|---|---|
1.0 | TTL | Excel | ||
::: | ::: |