"S32K1xx数据手册及关键特性详解"

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The document "C515292_FS32K144HFT0VLLT_2020-05-07 (1).PDF" is a data sheet for the FS32K144HFT0VLLT microcontroller, also known as the S32K1XX. It provides technical information and specifications for the S32K116, S32K118, S32K142, S32K142W, S32K144, S32K144W, S32K146, and S32K148 device families. It is important to note that the technical information for the S32K142W and S32K144W device families is preliminary until these devices achieve qualification. The data sheet includes two additional attachments: "S32K1xx_Orderable_Part_Number_List.xlsx" and "S32K1xx_Power_Modes_Configuration.xlsx". Some key features of the FS32K144HFT0VLLT microcontroller include: - Operating characteristics: - Voltage range: 2.7 V to 5.5 V - Ambient temperature range: -40 °C to 105 °C Overall, this data sheet serves as a comprehensive guide to the technical specifications and features of the FS32K144HFT0VLLT microcontroller for potential users and developers.

Table 7. Supplies decoupling capacitors 1, 2

Symbol Description Min.

Typ. Max. Unit

REF

, 4

ADC reference high decoupling capacitance 70 100 — nF

DEC

Recommended decoupling capacitance 70 100 — nF

1. V

and V

DDA

must be shorted to a common source on PCB. The differential voltage between V

and V

DDA

is for RF-AC

only. Appropriate decoupling capacitors to be used to filter noise on the supplies. See application note AN5032 for

reference supply design for SAR ADC. All V

pins should be connected to common ground at the PCB level.

2. All decoupling capacitors must be low ESR ceramic capacitors (for example X7R type).

3. Minimum recommendation is after considering component aging and tolerance.

4. For improved performance, it is recommended to use 10 μF, 0.1 μF and 1 nF capacitors in parallel.

5. All decoupling capacitors should be placed as close as possible to the corresponding supply and ground pins.

6. Contact your local Field Applications Engineer for details on best analog routing practices.

7. The filtering used for decoupling the device supplies must comply with the following best practices rules:

• The protection/decoupling capacitors must be on the path of the trace connected to that component.

• No trace exceeding 1 mm from the protection to the trace or to the ground.

• The protection/decoupling capacitors must be as close as possible to the input pin of the device (maximum 2 mm).

• The ground of the protection is connected as short as possible to the ground plane under the integrated circuit.

General

S32K1xx Data Sheet, Rev. 13, 04/2020

16 NXP Semiconductors

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