Datasheet

Power Supply Configuration
3-3
Hardware Description and Configuration
Table 3−1.Common Configurations using a +5V Supply and an Optional EXT VIO Supply
Case Description J15 J16
(1)
J17
(1)
REGEN
(SW2)
1
Core Voltage = +1.8V
using onboard regulator (U33)
— NC REG + 1.8V LO
1
VIO = +1.8V
using onboard regulator (U33)
REG + 1.8V
2
Core Voltage = +1.8V
using onboard regulator (U33)
— NC REG + 1.8V LO
2
VIO = +3.3V
using onboard regulator (U32)
REG + 3.3V
3
Core Voltage = +3.3V
using onboard regulator (U32)
— REG + 3.3V NC HI
3
VIO = 3.3V
using onboard regulator (U32)
REG + 3.3V
4
Core Voltage = +1.8V
using onboard regulator (U33)
— NC REG + 1.8V LO
4
VIO = +1.65V to 3.6V
using EXT VIO supply
EXT VIO
5
Core Voltage = +3.3V
using onboard regulator (U32)
— REG + 3.3V NC HI
5
VIO = +1.65V to 3.6V
using EXT VIO supply
EXT VIO
1) NC = not connected.