MM32F103CET datasheet(44/89 Pages) MINDMOTION

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DS_MM32F103xx_o_Ver1.13

Electrical characteristics

Symbol

Definition

Max

Unit

IIO

Output current sunk by any I/O and control pin

IIO

Output current source by any I/O and control pin

-18

IINJ(PIN)

(

2)(3)

Injected current on NRST pins

±5

IINJ(PIN)

(

2)(3)

Injected current on OSC_IN pin of HSE and OSC_IN pin

of LSE

±5

IINJ(PIN)

(

2)(3)

Injected current on other pins(4)

±5

IINJ(PIN)

(

Total injected current(sum of all I/O and control pins)(4)

±25

1. All main power(VDD, VDDA) and ground(VSS, VSSA) pins must always be connected to

the external power supply, in the permitted range.

2. IINJ(PIN) cannot exceed its limit, that is, to ensure that the VIN does not exceed its

maximum value. If VIN does not guarantee that its maximum value is not exceeded,

ensure that IINJ(PIN) does not exceed its maximum value under external restrictions.

When VIN

> VDD, there is a forward injection current; when VIN < VSS, there is a reverse

injection current.

3. Negative injection disturbs the analog performance of the device.

4. When several inputs are submitted to a current injection, the maximum IINJ(PIN) is the

absolute sum of the positive and negative injected currents (instantaneous values).

Table 9. Thermal characteristics

Symbol

Definition

Max

Unit

TSTG

Storage temperature range

- 45

∼ + 150

◦C

Maximum junction

temperature

125

◦C

5.3 Operating conditions

5.3.1

General operating conditions

Table 10. General operating conditions

Symbol

Parameter

Conditions

Min

Max

Unit

fHCLK

Internal AHB clock

frequency

MHz

fPCLK1

Internal APB1 clock

frequency

fHCLK

fPCLK2

Internal APB2 clock

frequency

fHCLK

VDD

(

Standard operating

voltage

2.0

5.5

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