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RM0345
Power supply
Doc ID 024080 Rev 3
7/38
2 Power
supply
The Calibration boards requires a +5 V to supply the on board CAN transceiver and a
+3.3 V to supply the SPC563M64xx calibration bus interface and for the external RAM.
The 3.3 V supply is generated on the SPC563M64CAL144 (rev.B) via the very low drop
voltage regulator by using the +5V. A LED (D1) will light when the board is powered.
Figure 2.
Power supply
By default the 5V is taken from the target application through the VDDREG supply level
(supply input for the internal voltage regulators of the SPC563M64xx). Gauge J14 enables
the powering from the application board.
shows its option configuration.
In case that no additional power loading could be applied to the application system during
calibration, the +5V can be supplied externally via J4 connector (+5V test point, see
) and the gauge J14 (see
) must be open.
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Содержание SPC563M64CAL144
Страница 3: ...RM0345 Contents Doc ID 024080 Rev 3 3 38 Revision history 37...
Страница 31: ...RM0345 Mechanical constrains Doc ID 024080 Rev 3 31 38 Figure 15 Side and bottom view drawing 3LQ 8QLWV PP 3 5...
Страница 32: ...Mechanical constrains RM0345 32 38 Doc ID 024080 Rev 3 Figure 16 Complete system side view drawing 3 5 8QLWV PP...