Power Settings - Fujitsu MB91460 Getting Started

5.1.5 Power Settings

The voltage sources are selectable.
Jumper
S26 UVCC5 – SHDNSEL
SHDNSEL
SHDNSE – UVCC3
3.3V – VCCC3SEL
S27
VCCC3SEL
VCCC3SEL – 3.5V
UVCC3 – VCC5
S28
VCC5
VCC5 – UVCC5
UVCC5 – UVCC3H
S29
UVCC3H UVCC3H – UVCC3
S8
C
Default: S26 =
SHDNSEL–UVCC3
S28 = VCC5–UVCC5
S8 = VCC3 – C
Note:
1) SHDNSEL: VCC3 or VCC5 can be supervised. If the selected voltage fails, the power
supply of the evaluation chip will be cancelled.
© Fujitsu Microelectronics Europe GmbH
Getting Started
Chapter 5 Jumpers and Switches
Setting Description
Keep watching VCC5 of evaluation board
Keep watching VCC3 of evaluation board
MB91V460's VCC3 is supplied by evaluation board
3.5V is supplied to VCC3 of MB91V460
Connect VCC3 of the adapter board to VCC3 of
evaluation board
Connect VCC5 of the adapter board to VCC5 of
evaluation board
VCC5H is generated from VCC5 by adding +1 V
VCC5H is generated from VCC3 by adding +1 V
VCC3 – C Connect to VCC3 of MB91V460
C – VCC3C Connect to the C terminal of the evaluation board
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S27 = VCCC3SEL–3.5V
S29 = UVCC3H–UVCC3
MCU-AN-391005-E-V17