STM8S207MB_10 datasheet(58/103 Pages) STMICROELECTRONICS

58 / 103 page

Electrical characteristics

STM8S207xx, STM8S208xx

58/103

Doc ID 14733 Rev 9

10.3.2

Supply current characteristics

The current consumption is measured as described in Figure 9 on page 52.

Total current consumption in run mode

The MCU is placed under the following conditions:

●

All I/O pins in input mode with a static value at VDD or VSS (no load)

●

All peripherals are disabled (clock stopped by Peripheral Clock Gating registers) except

if explicitly mentioned.

●

When the MCU is clocked at 24 MHz, TA ≤105 °C and the WAITSTATE option bit is set.

Subject to general operating conditions for VDD and TA.

Table 20.

Total current consumption with code execution in run mode at VDD = 5 V

Symbol

Parameter

Conditions

Typ

Max

Unit

IDD(RUN)

Supply

current in

run mode,

code

executed

from RAM

fCPU = fMASTER = 24 MHz,

TA ≤ 105 °C

HSE crystal osc. (24 MHz)

4.4

HSE user ext. clock (24 MHz)

3.7

7.3(1)

fCPU = fMASTER = 16 MHz

HSE crystal osc. (16 MHz)

3.3

HSE user ext. clock (16 MHz)

2.7

5.8

HSI RC osc. (16 MHz)

2.5

3.4

fCPU = fMASTER/128 = 125 kHz

HSE user ext. clock (16 MHz)

1.2

4.1(1)

HSI RC osc. (16 MHz)

1.0

1.3(1)

fCPU = fMASTER/128 = 15.625

kHz

HSI RC osc. (16 MHz/8)

0.55

fCPU = fMASTER = 128 kHz

LSI RC osc. (128 kHz)

0.45

Supply

current in

run mode,

code

executed

from Flash

fCPU = fMASTER = 24 MHz,

TA ≤ 105 °C

HSE crystal osc. (24 MHz)

11.4

HSE user ext. clock (24 MHz)

10.8

18(1)

fCPU = fMASTER = 16 MHz

HSE crystal osc. (16 MHz)

9.0

HSE user ext. clock (16 MHz)

8.2

15.2(1)

HSI RC osc.(16 MHz)

8.1

13.2(1)

fCPU = fMASTER = 2 MHz.

HSI RC osc. (16 MHz/8)(2)

1.5

fCPU = fMASTER/128 = 125 kHz

HSI RC osc. (16 MHz)

1.1

fCPU = fMASTER/128 = 15.625

kHz

HSI RC osc. (16 MHz/8)

0.6

fCPU = fMASTER = 128 kHz

LSI RC osc. (128 kHz)

0.55

Data based on characterization results, not tested in production.

Default clock configuration measured with all peripherals off.

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