"TLE9843-2QX 英飞凌芯片 INFINEON 中文规格书手册.pdf"

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"英飞凌芯片 TLE9843-2QX 是一款专为汽车应用而设计的微控制器，具有LIN和电源开关功能。该芯片通过提供集成的LIN接口和多个电源开关来满足汽车电子控制单元(ECUs)的需求。本文将对 TLE9843-2QX 芯片的规格书进行详细介绍。首先，该规格书是 INFINEON 公司推出的 TLE9843-2QX 芯片的中文版手册。该手册的发布版本是 2016 年 5 月 6 日的 Rev. 1.0。手册内容包括目录、概述、缩写词等信息，以帮助读者更好地理解和使用该芯片。 TLE9843-2QX 芯片具有多个功能和特性。与其他汽车应用的微控制器相比，TLE9843-2QX 芯片在设计上更加灵活。它提供了丰富的外围设备接口和先进的电源管理功能，以满足汽车电子系统对微控制器的高度集成和可靠性的要求。该芯片内置了 LIN 通信接口，以便与汽车电子系统中的其他节点进行通信。通过 LIN 总线，TLE9843-2QX 芯片能够实现与其他 LIN 设备的高速数据传输和控制。这使得芯片能够轻松集成到汽车中，实现各种车辆控制和监测功能。此外，TLE9843-2QX 芯片还集成了多个电源开关。这些开关能够提供电源管理和保护功能，以保证汽车电子系统的正常运行。通过精确的电源控制和监测，芯片能够确保系统在不同工作模式下的电源稳定性和效率。在性能方面，TLE9843-2QX 芯片具有高度集成的特点。其内置了强大的计算和处理能力，可以支持复杂的算法和应用。此外，芯片还具备低功耗和高温环境适应性等特点，使之能够在极端条件下稳定运行。总之，TLE9843-2QX 芯片是一款功能强大且灵活的微控制器，专为汽车应用而设计。该芯片通过集成 LIN 接口和电源开关，实现了高度集成和可靠性的要求。无论是在通信还是电源管理方面，TLE9843-2QX 芯片都能够满足汽车电子系统对微控制器的需求。它的高性能、低功耗和高温环境适应性使得它成为汽车电子领域的理想选择。更多关于 TLE9843-2QX 芯片的详细信息，请参考 INFINEON 公司发布的《TLE9843-2QX 英飞凌芯片 INFINEON 中文版规格书手册.pdf》。"

TLE9843-2QX

Modes of Operation

Data Sheet 16 Rev. 1.0, 2016-05-06

Reset Mode

The Reset Mode is a transition mode e.g. during power-up of the device after a power-on reset. In this mode the

on-chip power supplies are enabled and all other modules are initialized. Once the core supply VDDC is stable,

the Active Mode is entered. In case the watchdog timer WDT1 fails for more than four times, a fail-safe transition

to the Sleep Mode is done.

Active Mode

In Active Mode all modules are activated and the TLE9843-2QX is fully operational.

Stop Mode

The Stop Mode is one out of two major low power modes. The transition to the low power modes is done by setting

the respective Bits in the mode control register. In Stop Mode the embedded microcontroller is still powered

allowing faster wake-up reaction times, but not clocked. A wake-up from this mode is possible by LIN bus activity,

the High Voltage Monitor Input pins or the respective 5V GPIOs.

Sleep Mode

The Sleep Mode is a major low-power mode. The transition to the low-power modes is done by setting the

respective Bits in the Micro Controller Unit mode control register. The sleep time is configurable. In Sleep Mode

the embedded microcontroller power supply is deactivated, allowing the lowest system power consumption, but

the wake-up time is longer compared to the Stop Mode. In this mode a 64 bit wide buffer for data storage is

available. A wake-up from this mode is possible by LIN bus activity or the High Voltage Monitor Input pins and

cyclic wake. A wake-up from Sleep Mode behaves similar to a power-on reset. While changing into Sleep Mode,

no incoming wake-requests are lost (i.e. no dead-time). It is possible to enter sleep-mode even with LIN dominant.

Cyclic Wake-up Mode

The cyclic wake-up mode is a special operating mode of the Sleep Mode and the Stop Mode. The transition to the

cyclic wake-up mode is done by first setting the respective Bits in the mode control register followed by the SLEEP

or STOP command. Additional to the cyclic wake-up behavior (wake-up after a programmable time period), the

wake-up sources of the normal Stop Mode and Sleep Mode are available.

Cyclic Sense Mode

The cyclic sense mode is a special operating mode of the Sleep Mode and the Stop Mode. The transition to the

cyclic sense mode is done by first setting the respective Bits in the mode control register followed by the STOP or

SLEEP command. In cyclic sense mode the High-Side Switch can be switched on periodically for biasing some

switches for example. The wake-up condition is configurable, when the sense result of defined monitor inputs at

a window of interest changed compared to the previous wake-up period or reached a defined state respectively.

In this case the Active Mode is entered immediately.

The following table shows the possible power mode configurations of each major module or function respectively.

Table 3 Power Mode Configurations

Module/function Active Mode Sleep Mode Stop Mode Comment

VPRE, VDDP, VDDC ON OFF ON –

VDDEXT ON/OFF OFF cyclic ON/OFF –

HSx ON/OFF cyclic ON/OFF cyclic ON/OFF cyclic sense

LSx ON/OFF OFF OFF –

LIN TRx ON/OFF wake-up only / OFF wake-up only/

OFF

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