SPC584NX datasheet(86/158 Pages) STMICROELECTRONICS

Part #	SPC584NX

Description	32-bit Power Architecture microcontroller for automotive ASIL-D applications

PDF	158 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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86 / 158 page

Electrical characteristics

SPC584Nx, SPC58ENx, SPC58NNx

86/158

DS11734 Rev 6

3.16.3

Voltage monitors

The monitors and their associated levels for the device are given in Table 42. Figure 15

illustrates the workings of voltage monitoring threshold.

Figure 15. Voltage monitor threshold definition

IDDCLAMP CC D

SMPS regulator rush current

sinked from VDD_HV_IO_MAIN

domain during VDD_LV domain

Power-up condition

—

400

ΔIDDSMPS

(2)

CC T SMPS regulator current variation

20 µs observation

window

-200

—

200

1. SMPS regulator is functional in the range 2.85 V < VDD_HV_IO < 4.5 V, but at a reduced efficiency.

2. Internal schemes must be used by the application (for example, frequency ramping feature enable) to ensure that

incremental demands are made on the external power supply within the maximum value. Mbist/Lbist must be configured to

avoid exceeding the maximum value.

Table 41. SMPS Regulator specifications (continued)

Symbol

Parameter

Conditions

Value

Unit

Min

Typ

Max

VDD_xxx

HVD TRIGGER

TVMFILTER

VLVD

TVMFILTER

VHVD

LVD TRIGGER

TVMFILTER

(INTERNAL)

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