Usage Notes and Known Design Exceptions to Functional Specifications
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SPRZ412K–December 2013–Revised February 2020
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TMS320F2837xD Dual-Core MCUs Silicon Revisions C, B, A, 0
Advisory Crystal: Maximum Equivalent Series Resistance (ESR) Values are Reduced
Revision(s) Affected 0, A
Details The maximum ESR values are reduced. For the revisions affected, the data in Table 8
supersedes the data given in the "Crystal Equivalent Series Resistance (ESR)
Requirements" table in the TMS320F2837xD Dual-Core Microcontrollers Data Manual.
The differences between the two tables are highlighted in Table 8.
(1)
Crystal shunt capacitance (C0) should be less than or equal to 7 pF.
Table 8. Crystal Equivalent Series Resistance (ESR) Requirements
(1)
CRYSTAL FREQUENCY (MHz)
MAXIMUM ESR (Ω)
(CL1/2 = 12 pF)
MAXIMUM ESR (Ω)
(CL1/2 = 24 pF)
2 175 375
4 100 195
6 75 145
8 65 105
10 55 70
12 50 45
14 50 35
16 45 25
18 40 20
20 30 15
Workaround(s) None
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