This page provides information about the hardware description of WIZ550SR as following:
The revision history will be updated in this page in case of any changes of hardware specification or exterior design.
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 |
Symbol | Parameter | Conditions | Min | Max | Unit |
---|---|---|---|---|---|
TVDD | VDD rise time rate | - | 0 | - | us/V |
VDD fall time rate | 20 | - |
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 |
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 |
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 |