For compatibility with other Enclustra Mercury modules, it is recommended to use a single I/O voltage per
module connector.
Signal Name MPSoC Pins Supported Connector Connector
Voltages A Pins B Pins
VCC_CFG_MIO VCCO_PSIO1_501,
VCCO_PSIO3_503, VCCO_BE
5
1.8 V - 3.3 V ±5% 74, 77 -
VCC_IO_BO VCCO_BO
5
1.2 V - 3.3 V ±5%
6
41 -
VCC_IO_BN VCCO_BN
5
, VCCO_BF
5
1.2 V - 3.3 V ±5%
6
38 -
VCC_IO_B65 VCCO_65 1.0 V - 1.8 V ±5% - 64, 88, 140
VCC_IO_B66 VCCO_66 1.0 V - 1.8 V ±5% - 67, 95, 143
Table 9: VCC_IO Pins
6
Warning!
Use only VCC_IO voltages compliant with the equipped MPSoC device; any other voltages may dam-
age the equipped MPSoC device, as well as other devices on the Mercury XU5 SoC module.
Do not leave a VCC_IO pin floating, as this may damage the equipped MPSoC device, as well as other
devices on the Mercury XU5 SoC module.
Warning!
Do not power the VCC_IO pins when PWR_GOOD and PWR_EN signals are not active. If the module
is not powered, you need to make sure that the VCC_IO voltages are disabled (for example, by using a
switch on the base board, which uses PWR_GOOD as enable signal). Figure 14 illustrates the VCC_IO
power requirements.
5
For HD I/O banks generic supply names are used - refer to Section 2.9.4 for details on I/O banks connectivity and supplies.
6
For voltages of 3.3 V for VCC_IO_BO and VCC_IO_BN the tolerance range is -5% to +3%.
D-0000-445-001 27 / 64 Version 07, 25.07.2019
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