TLE9832 datasheet(21/94 Pages) INFINEON

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TLE9832

Functional Description

Data Sheet

Rev. 1.1, 2012-03-08

Table 5

Description of PMU Submodules

Mod.

Name

Modules

Functions

Power Down

Supply

Independent Supply Voltage

Generation for PMU

This supply is only dedicated to the PMU to ensure a

independent operation of generated power supplies

(VDDP, VDDC).

LP_CLK

(= 20 MHz)

- Clock Source for all PMU

submodules

- Backup Clock Source for System

- Clock Source for WDT1

This ultra low power oscillator generates the clock for the

PMU.

This clock is also used as backup clock for the system in

case of PLL clock failure and as independent clock source

for WDT1

LP_CLK2

(= 100 kHz)

Clock Source for PMU

This ultra low power oscillator generates the clock for the

PMU mainly in Stop Mode and in the cyclic modes.

Peripherals

Peripheral blocks of PMU

This blocks includes all relevant peripherals to ensure a

stable and fail safe PMU startup and operation

Power Supply

Generation

Unit (PGU)

Voltage regulators for VDDP and

VDDC

This block includes the voltage regulators for the pad

supply (VDDP) and the core supply (VDDC) including all

diagnosis and safety features

VDDEXT (Hall

Sensor

Supply)

Voltage regulator for VDDEXT to

supply external modules (e.g. Hall

Sensors)

This voltage regulator is a dedicated supply for external

modules and can also be used for cyclic sense operations

(e.g. with hall sensor)

PMU-XSFR

All PMU relevant Extended Special

Function Registers

This module contains all PMU relevant registers, which

are needed to control and monitor the PMU.

PMU-PCU

Power Control Unit of the PMU

This block is responsible for controlling all power related

actions within the PGU Module.

PMU-WMU

Wake-up Management Unit of the

PMU

This block is responsible for controlling all wake-up related

actions within the PMU Module.

PMU-CYCMU Cyclic Management Unit of the PMU This block is responsible for controlling all actions within

cyclic mode.

PMU-CMU

Clock Management Unit of the PMU This block is responsible for controlling all clocking actions

within the PMU.

PMU-RMU

Reset Management Unit of the PMU This block is responsible for generating all system

required resets.

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