STM32H533CE datasheet(106/231 Pages) STMICROELECTRONICS

106 / 231 page

Electrical characteristics

STM32H533xx

106/231

DS14539 Rev 1

5.3.6

Supply current characteristics

The current consumption is a function of several parameters and factors such as the

operating voltage, ambient temperature, I/O pin loading, device software configuration,

operating frequencies, I/O pin switching rate, program location in memory and executed

binary code.

All the run-mode current consumption measurements given in this section are performed

with a CoreMark code.

Typical and maximum current consumption

The MCU is placed under the following conditions:

•

All I/O pins are in analog input mode.

•

All peripherals are disabled except when explicitly mentioned.

•

The flash memory access time is adjusted with the minimum wait-state number,

depending on the fHCLK frequency (refer to the tables “FLASH recommended number

of wait states and programming delay” available in the reference manual).

•

When the peripherals are enabled, the AHB clock frequency is the CPU frequency and

the APB clock frequency is AHB frequency.

The parameters given in the following tables are derived from tests performed under supply

voltage conditions summarized in Table 20, and, unless otherwise specified, at ambient

temperature.

The maximum current consumption is given for LDO regulator ON and VDD = 3.6 V. The

typical current consumption is given for VDD = 3V at ambient temperature.

VREFINT_DIV1(3) 1/4 reference voltage

-25-

%VREFINT

VREFINT_DIV2(3) 1/2 reference voltage

VREFINT_DIV3(3) 3/4 reference voltage

1. VREFINT does not take into account package and soldering effects.

2. The shortest sampling time for the application can be determined by multiple iterations.

3. Specified by design - Not tested in production.

Table 25. Embedded reference voltage (continued)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

Table 26. Internal reference voltage calibration value

Symbol

Parameter

Memory address

VREFINT_CAL

Raw data acquired at 30 °C, VDDA = 3.3 V

0x08FF F810 - 0x08FF F811

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