Datasheet-EN
WIZ550SR Datasheet
Overview
This page provides information about the hardware description of WIZ550SR as following:
- Hardware Specification
- Electrical Characteristics
- Schematic
- Dimension
The revision history will be updated in this page in case of any changes of hardware specification or exterior design.
Hardware Specification
WIZ550SR
- Very small size Serial to Ethernet Module.
- WIZnet TCP/IP Chip W5500.
- STM32F103RCT6.
- Not include a transformer and RJ45.
- 2.00mm Pitch Pin Header Type, 1x11.
- Support the MDI(Medium Dependent Interface).
- TXN, TXP, RXN, RXP
- Support the UART interface.
- RXD, TXD, RTS, CTS, DSR(Option), DTR(Option)
- Support the RS-232C Interface.
- Will be soppoted the RS-422/485 Interface.
- Support the Debug UART.
- DEBUG RXD, DEBUG TXD
- Support the PHY Status Output.
- Active LED, Link LED
- Support the STATUS output.
- LOW : TCP Connect.
- HIGH : TCP Diconnect.
- System Pins.
- RESET : System Reset, Active Low.
- BOOT0 : MCU BOOT mode operation, Active High.
- H/W TRIG : App BOOT mode operation, Active Low.
- Support the Indicator LED.
- Power LED(LD3).
- LED 0(LD1) :
- LED 1(LD2) :
- Support the Pin Header Hole for Firmware upload.
- 2.54mm Pitch, Not Mount.
- Support the Pin Header Hole for SWD.
- 1.27mm Pitch, Not Mount.
- Include eeprom for data storage.
- Operation Temperature : -40℃ ~ 85℃
- Size : 22mm x 24mm x 13mm
WIZ550SR Pin Out
WIZ550SR Pin Description
| Ref No. | Pin No. | Symbol | Type | Description |
|---|---|---|---|---|
| J1 | 1 | 3.3V | P | +3.3V Input Power |
| ::: | 2 | 3.3V_OUT | P | +3.3V Output Power. This pin is connected to the TX resistor of MDI signal and Center TAP of RJ45. |
| ::: | 3 | TXN | O | MDI Signal. TX Positive. |
| ::: | 4 | TXP | O | MDI Signal. TX Negative. |
| ::: | 5 | GND | P | Ground. |
| ::: | 6 | RXN | I | MDI Signal. RX Negative. |
| ::: | 7 | RXP | I | MDI Signal. RX Positive. |
| ::: | 8 | GND | P | Ground. |
| ::: | 9 | ACT LED | O | PHY Active LED |
| ::: | 10 | LINK LED | O | PHY Link LED |
| ::: | 11 | GND | P | Ground. |
| Ref No. | Pin No. | Symbol | Type | Description |
|---|---|---|---|---|
| J2 | 1 | RXD | I | Data UART. Recieve Pin. |
| ::: | 2 | TXD | O | Data UART. Transmit Pin. |
| ::: | 3 | RTS | O | Data UART. Request to Send Pin. |
| ::: | 4 | CTS | I | Data UART. Clear to Send Pin. |
| ::: | 5 | DEBUG_RX | I | Debug UART. Recieve Pin. |
| ::: | 6 | DEBUG_TX | O | Debug UART. Transmit Pin. |
| ::: | 7 | GND | P | Ground. |
| ::: | 8 | BOOT0 | I | MCU Boot. Active High |
| ::: | 9 | nRST | I | Reset. Active Low |
| ::: | 10 | STATUS | O | Status Output. High : Disconnect. Low : Connect. |
| ::: | 11 | nH/W TRIG | I | App Boot. Hardware TRIG Input. Active Low |
WIZ550SR Block Diagram
WIZ550SR EVB
- WIZ550SR Developer Board.
- USB to UART chip, FT2232D.
- RJ45 with Transformer, RB1-1D5B8K1A.
- RESET Tact SW.
- BOOT0 Tact SW.
- H/W Trig Tact SW.
- LED Indicators.
- Micro USB.
WIZ550SR EVB Call Out
WIZ550SR EVB Block Diagram
Electrical Characteristics
Operating conditions at power-up / power-down
| Symbol | Parameter | Conditions | Min | Max | Unit |
|---|---|---|---|---|---|
| TVDD | VDD rise time rate | - | 0 | - | us/V |
| ::: | VDD fall time rate | ::: | 20 | - | ::: |
DC Characteristics
| Symbol | Parameter | Pins | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| VDD | Supply voltage | 3.3V | 2.97 | 3.3 | 3.6 | V |
| VIL | High level input voltage | ALL | 1.833 | 3.6 | V | |
| VIH | Low level input voltage | ALL | -0.3 | 1.166 | V | |
| VOL | Low level output voltage | ALL | 0.4 | V | ||
| VOH | High level output voltage | ALL | 3.0 | V | ||
| LOL | Low level input Current Sink Current | ALL | -25 | mA | ||
| LOH | High level output Current Source Current | ALL | 25 | mA | ||
| IDD | Supply Current (Normal operation mode) | 3.3V | TBD | mA |
nRST pin Characterisrics
| Symbol | Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|---|
| VIL(nRST) | NRST Input low level voltage | - | -0.5 | - | 0.8 | V |
| VIH(nRST) | NRST Input high level voltage | - | -2 | - | 3.8V | V |
| Vhys(nRST) | NRST Schmitt trigger voltage hysteresis | - | - | 200 | - | mV |
| RPU | Weak pull-up equivalent resistor | - | 30 | 40 | 50 | kΩ |
| VF(nRST) | NRST Input filtered pulse | - | - | - | 100 | ns |
| VNF(nRST) | NRST Input not filtered pulse | - | 300 | - | - | ns |
Power Dissipation
| Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|
| 100M Link | - | 180 | - | mA |
| 10M Link | - | TBD | - | mA |
| Un-Link (Auto-negotiation mode) | - | TBD | - | mA |
| 100M Transmitting | - | TBD | - | mA |
| 10M Transmitting | - | TBD | - | mA |
| Power Down mode | - | TBD | - | mA |
Schematics & BOM
Ref. Schematic
- WIZ550SR Ref Schematic : Download
WIZ550SR Schematic
- WIZ550SR V1.0 Schematic : Download(Altium)
- WIZ550SR V1.0 Schematic : Download(PDF)
WIZ550SR BOM
- WIZ550SR V1.0 BOM: Download
WIZ550SR EVB Schematic
- WIZ550SR EVB V1.0 Schematic : Download(Altium)
- WIZ550SR EVB V1.0 Schematic : Download(PDF)
WIZ550SR EVB BOM
- WIZ550SR EVB V1.0 BOM : Download
Dimension
- WIZ550SR V1.0 3D PDF : Download
* This PDF must be run using the 'Adobe Acrobat'.
