SPC574S60 datasheet(26/77 Pages) STMICROELECTRONICS

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Electrical characteristics

SPC574Sx

26/77

DS10601 Rev 6

3.9

I/O pad electrical characteristics

3.9.1

I/O pad types

Table 11 describes the different pad type configurations.

Table 10. Current consumption

Use Case(1)

Conditions

Regulator

Mode

IDD_LV

IDD_HV

Unit

Full function(2)

F1(3) (system clock freq) = 140 MHz

F0(4) (motor clock freq) = 120 MHz

Internal

310

External

265

F1(3) (system clock freq) = 100 MHz

F0(4) (motor clock freq) = 84 MHz

Internal

265

External

210

F1(3) (system clock freq) = 70 MHz

F0(4) (motor clock freq) = 60 MHz

Internal

230

External

175

Stop mode

—

Internal

110

External

100

Full Self test

(semi-parallel)

LBIST configuration = L0//L1 + L2//L3

MBIST configuration = parallel

Freq = 35 MHz (PLL)

Internal

240

External

230

Full Self test

(parallel)

LBIST configuration = parallel

MBIST configuration = parallel

Freq = 16 MHz (RCOSC)

Internal

215

External

205

1. The IDD values are based on the following operating conditions: TJ = 150 °C, HV = 5.5 V, LV = 1.32 (external regulator

mode).

2. Values are based on typical application code executing from Flash memory, where the DMA is running in continuous mode,

the ADC is in continuous conversion, the timers are running to maximum counter values and communication IPs are in

loopback or transmitting mode. IOs are unloaded.

3. F1 stands for System clock frequency.

4. F0 stands for Motor clock frequency.

Table 11. I/O pad specification descriptions

Pad type

Description

Slow configuration

Provides a good compromise between transition time and low electromagnetic emission.

Pad impedance is centered around 800

Medium configuration

Provides transition fast enough for the serial communication channels with controlled

current to reduce electromagnetic emission. Pad impedance is centered around 200

Fast configuration

Provides fast transition speed; used for fast interface. Pad impedance is centered

around 50

Very fast configuration

Provides maximum speed and controlled symmetric behavior for rise and fall transition.

Used for fast interfaces, like FlexRay, requiring fine control of rising/falling edge jitter.

Pad impedance is centered around 40

Input only pads

These pads are associated to ADC channels and the external 8-40 MHz crystal oscillator

(XOSC) providing low input leakage

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