| clk_in |
Input |
M9 |
2.5V |
Clock input for the whole system. |
| reset |
Input |
L22 |
1.5V |
Reset the whole design. |
| uart_rx |
Input |
Y19 |
2.5V |
Receive UART signal to the PC (host). |
| uart_tx |
Output |
W18 |
2.5V |
Send UART signal from the PC (host). |
| pmbus_alert[0] |
Input |
E8 |
3.3-V LVTTL |
Alert line for the PMBus. |
| pmbus_alert[1] |
Input |
D5 |
3.3-V LVTTL |
Alert line for the PMBus. |
| pmbus_alert[2] |
Input |
B5 |
3.3-V LVTTL |
Alert line for the PMBus. |
| pmbus_scl |
Output |
C7 |
3.3-V LVTTL |
Clock output to the PMBus devices. |
| pmbus_sda |
Bidirectional |
C8 |
3.3-V LVTTL |
Bidirectional data line for the PMBus. |
| pmbus_control[0] |
Output |
A2 |
3.3-V LVTTL |
Control line for the PMBus. |
| pmbus_control[1] |
Output |
A3 |
3.3-V LVTTL |
Control line for the PMBus. |
| pmbus_control[2] |
Output |
B4 |
3.3-V LVTTL |
Control line for the PMBus. |
| system_led[0] |
Output |
T20 |
1.5V |
System indicator for Group 1 power. |
| system_led[1] |
Output |
U22 |
1.5V |
System indicator for Group 2 power. |
| system_led[2] |
Output |
U21 |
1.5V |
System indicator for Group 3 power. |
| system_led[3] |
Output |
AA21 |
1.5V |
System indicator for the UFM storage status. |
| pwm_fan |
Output |
B7 |
3.3-V LVTTL |
PWM output signal for the DC fan. |
| button_user |
Input |
M21 |
1.5V |
User button to perform manual power up. |