MM32F103CET datasheet(47/89 Pages) MINDMOTION

47 / 89 page

DS_MM32F103xx_o_Ver1.13

Electrical characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

TS_vrefint

(1)

ADC sampling time when reading the internal reference voltage10

µS

1. Shortest sampling time can be determined in the application by multiple iterations.

5.3.5

Supply current characteristics

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

erating voltage, temperature, I/O pin loading, device software configuration, operating fre-

quencies, I/O pin switching rate, program location in memory and executed binary code.

All Run-mode current consumption measurements given in this section are performed with

a reduced code.

Maximum current consumption

The MCU is placed under the following conditions:

• All I/O pins are in analog input mode, and are connected to a static level —- VDD or VSS

(no load)

• All peripherals are disabled except when explicitly mentioned

• The Flash memory access time is adjusted to the fHCLK (0

∼ 24 MHz is 0 waiting period

, 24

∼ 48 MHz is 1 waiting period, 48 ∼ 72 MHz is 2 waiting period, 72 ∼ 96 MHz is 3

waiting period ).

• The instruction prefetching function is on. When the peripherals are enabled：

fPCLK1 = fHCLK.

Note：The instruction prefetching function must be set before setting the clock and bus divider.

The parameters given in the table (Table 14、Table 15、Table 16) are based on the ambient

temperature and the VDD supply voltage listed in Table 10 .

Table 14. Typical current consumption in Run mode, code executing from Flash memory

Symbol

Parameter

Conditions

fHCLK

Typ(1)

Unit

All peripherals

enabled(2)

All peripherals

disabled

IDD

Supply current in run mode

External clock(2)

96MHz

26.23

15.2

72MHz

20.52

12.19

48MHz

14.71

9.13

36MHz

11.76

7.58

24MHz

8.84

6.03

IDD

Supply current in run

mode

External

clock(2)

8MHz

4.1

3.14

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