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Technical Description
Chapter 5 Technical Description
5.1 Current Measurement
Current measurement can be performed individually for the following S1D13L01 power supplies: COREVDD,
PLLVDD, IOVDD. For a details on which jumper block is used for each power supply, refer to Table 3-3: "2-Pin
Jumper Settings," on page 9.
To measure current for a particular S1D13L01 power supply, remove the corresponding jumper shunt and place an
ammeter on the jumper terminals to measure the current draw. Use the lowest possible range for the measurement
to minimize loading from the ammeter.
For IOVDD current measurement, shunts for JP102 should be removed and an ammeter connected across JP102.
JP1 on S5U13U00P00C100 must be set to position 2-3.
Note
Attaching an ammeter while doing other tests can cause a voltage drop across the ammeter and may produce in-
valid test results.
5.2 Oscillator Support for CLKI input
The S5U13L01P00C100 evaluation board has an on-board 24MHz oscillator (Y1) which drives the input for the
S1D13L01 CLKI pin.
18
Seiko Epson Corporation
S5U13L01P00C100 Evaluation Board
Rev. 1.3
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