STM8TL53X4 datasheet(51/84 Pages) STMICROELECTRONICS

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STM8TL52x4 STM8TL53x4

Electrical parameters

Current consumption of on-chip peripherals

Measurement made for fMASTER = from 2 MHz to 16 MHz

Current consumption with ProxSense peripherals

Measurement made for fMASTER = 16 MHz, fProxSense = 16 MHz, all other peripherals off and

under the following conditions:

PXS_RxiCSSELR (Sampling Capacitor) = 0x10

PXS_RxiEPCCSELR (Electrode Parasitic Capacitance Compensation) = 0x80

Capacitance between Tx and Rx of 10nF

Table 22. Peripheral current consumption

Symbol

Parameter

Typ. VDD = 3.0 V

Unit

IDD(TIM2)

TIM2 supply current(1)

1. Data based on a differential IDD measurement between all peripherals off and a timer counter running at 

16 MHz. The CPU is in Wait mode in both cases. No IC/OC programmed, no I/O pin toggling. Not tested in

production.

µA/MHz

IDD(TIM3)

TIM3 supply current(1)

IDD(TIM4)

TIM4 timer supply current(1)

IDD(USART)

USARTsupply current(2)

2. Data based on a differential IDD measurement between the on-chip peripheral when kept under reset and

not clocked and the on-chip peripheral when clocked and not kept under reset. The CPU is in Wait mode in

both cases. No I/O pin toggling. Not tested in production.

IDD(SPI)

SPI supply current(2)

IDD(I²C)

I2C supply current(2)

Table 23. ProxSense peripheral current consumption(1)

1. Data based on characterization, not tested in production

Symbol

ProxSense

transmitter

ProxSense

receiver

Typical

Unit

IDD(PXS)

0.6

1.1

110

2.3

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