Board
Reference
Signal Name
-
VMON_MAIN
-
VMON_3V3
-
VMON_OUT
-
VMON_2V5
J200.41
VMON_P41
J200.42
VMON_P42
J200.94
VMON_P94
J200.198
VMON_P198
-
VMON_5V
-
VMON_CS_MOD
-
VREF_CS
Table 28: System Monitor Voltage Connections
Table 29 describes the GPIO and fan connections of the system monitor.
Board Reference
J1302.3
J1101.13
J1101.15
Table 29: System Monitor I/O and Fan Connections
6.8
User EEPROM
The Mars EB1 base board features a user EEPROM which may be accessed via I2C. It can be used to store
user data (e.g. a serial number) and can be accessed by the FPGA and by the system controller.
Type
Manufacturer
24AA128T-I/MNY
Microchip
Table 30: User EEPROM Type
D-0000-307-001
System
Monitor
Register
IN0
IN1
IN2
IN3
IN0
IN1
IN2
IN3
IN4
IN5
IN6
Signal Name
System Monitor Register
SYSMON_TACHO
FAN1
SYSMON_GPI
GPI(CI)
SYSMON_GPO#
GPO#
VMON_SEL
Comments
0
5 - 12 V
0
3.3 V
0
VCC_OUT voltage of the module (module
dependent)
0
2.5 V
1
Module dependent
1
Module dependent
1
Module dependent
1
Module dependent
- (don't care)
5 V
10%
- (don't care)
VCC_3V3_MOD current
- (don't care)
VREF current sensor
34 / 39
5%
5%
Description
Fan speed sense signal
General purpose input
General purpose output
Version 06, 22.07.2021
Need help?
Do you have a question about the Mars EB1 Base Board and is the answer not in the manual?