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Минимум документации STM8_1 / CD00200092.pdf

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STM8S105xx

Electrical characteristics

Figure 12: External capacitor CEXT

1. ESR is the equivalent series resistance and ESL is the equivalent inductance.

10.3.2Supply current characteristics

The current consumption is measured as described in Section 7.3: "Interrupt controller".

10.3.2.1Total current consumption in run mode

Table 21: Total current consumption with code execution in run mode at VDD = 5 V

Symbol	Parameter	Conditions		Typ	Max	Unit
					(1)

IDD(RUN)	Supply current in run mode,	fCPU = fMASTER	HSE crystal	3.2		mA
	code executed from RAM	= 16 MHz	osc.
		= 16 MHz	(16 MHz)
			(16 MHz)

			HSE user	2.6	3.2
			ext. clock
			(16 MHz)

			HSI RC osc.	2.5	3.2
			(16 MHz)

		fCPU = fMASTER/128 =	HSE user	1.6	2.2
		125 kHz	ext. clock
			(16 MHz)

			HSI RC osc.	1.3	2.0
			(16 MHz)

		fCPU = fMASTER/128 =	HSI RC osc.	0.75
		15.625 kHz	(16 MH3z/8)
			(16 MH3z/8)

		fCPU = fMASTER	LSI RC osc.	0.55
		= 128 kHz	(128 kHz)

IDD(RUN)	Supply current in run mode,	fCPU = fMASTER	HSE crystal	7.7
	code executed from Flash	= 16 MHz	osc.
		= 16 MHz	(16 MHz)
			(16 MHz)

			HSE user	7.0	8.0
			ext. clock
			(16 MHz)

			HSI RC osc.	7.0	8.0
			(16 MHz)

		fCPU = fMASTER	HSI RC osc.	1.5

	DocID14771 Rev 13				47/99

Electrical characteristics					STM8S105xx

	Symbol	Parameter	Conditions		Typ	Max	Unit
						(1)

			= 2 MHz	(16 MHz/8)
				(2)

			fCPU = fMASTER/128 =	HSI RC osc.	1.35	2.0
			125 kHz	(16 MHz)
				(16 MHz)

			fCPU = fMASTER/128 =	HSI RC osc.	0.75
			15.625 kHz	(16 MHz/8)
				(16 MHz/8)

			fCPU = fMASTER	LSI RC osc.	0.6
			= 128 kHz	(128 kHz)

Notes:

(1)Data based on characterization results, not tested in production.

(2)Default clock configuration measured with all peripherals off.

Table 22: Total current consumption with code execution in run mode at VDD = 3.3 V

	Symbol	Parameter	Conditions			Typ	Max	Unit
							(1)

	IDD(RUN)	Supply current in run mode,	fCPU = fMASTER = 16	HSE crystal		2.8		mA
		code executed from RAM	MHz	osc.
				(16 MHz)

				HSE user ext.		2.6	3.2
				clock
				(16 MHz)

				HSI RC osc.		2.5	3.2
				(16 MHz)

			fCPU = fMASTER/128	HSE user ext.		1.6	2.2
			= 125 kHz	clock
			= 125 kHz	(16 MHz)
				(16 MHz)

				HSI RC osc.		1.3	2.0
				(16 MHz)

			fCPU = fMASTER/128 =	HSI RC osc.		0.75
			15.625 kHz	(16 MHz/8)

			fCPU = fMASTER = 128	LSI RC osc.		0.55
			kHz	(128 kHz)
				(128 kHz)

		Supply current in run mode,	fCPU = fMASTER = 16	HSE crystal		7.3
		code executed from Flash	MHz	osc.
				(16 MHz)

				HSE user ext.		7.0	8.0
				clock
				(16 MHz)

				HSI RC osc.		7.0	8.0
				(16 MHz)

			fCPU = fMASTER = 2	HSI RC osc.		1.5
			MHz	(16 MHz/8)	(2)
				(16 MHz/8)

48/99		DocID14771 Rev 13

STM8S105xx				Electrical characteristics

	Symbol	Parameter	Conditions		Typ	Max	Unit
						(1)

			fCPU = fMASTER/128	HSI RC osc.	1.35	2.0
			= 125 kHz	(16 MHz)

			fCPU = fMASTER/128 =	HSI RC osc.	0.75
			15.625 kHz	(16 MHz/8)
				(16 MHz/8)

			fCPU = fMASTER = 128	LSI RC osc.	0.6
			kHz	(128 kHz)
				(128 kHz)

Notes:

(1)Data based on characterization results, not tested in production.

(2)Default clock configuration measured with all peripherals off.

10.3.2.2Total current consumption in wait mode

Table 23: Total current consumption in wait mode at VDD = 5 V

Symbol	Parameter	Conditions			Typ	Max	Unit
						(1)

IDD(WFI)	Supply current in wait	fCPU = fMASTER = 16 MHz	HSE crystal		2.15		mA
	mode		osc.
			(16 MHz)

			HSE user ext.		1.55	2.0
			clock
			(16 MHz)

			HSI RC osc.		1.5	1.9
			(16 MHz)

		fCPU = fMASTER/128 = 125	HSI RC osc.		1.3
		kHz	(16 MHz)
			(16 MHz)

		fCPU = fMASTER/128 =	HSI RC osc.		0.7
		15.625 kHz	(16 MHz/8)	(2)
			(16 MHz/8)

		fCPU = fMASTER = 128 kHz	LSI RC osc.		0.5
			(128 kHz)

Notes:

(1)Data based on characterization results, not tested in production.

(2)Default clock configuration measured with all peripherals off.

Table 24: Total current consumption in wait mode at VDD = 3.3 V

Symbol	Parameter	Conditions		Typ	Max	Unit
					(1)

IDD(WFI)	Supply current in wait	fCPU = fMASTER = 16 MHz	HSE crystal	1.75		mA
	mode		osc.
			(16 MHz)

			HSE user ext.	1.55	2.0
			clock

	DocID14771 Rev 13				49/99

Electrical characteristics							STM8S105xx

	Symbol	Parameter	Conditions			Typ		Max	Unit
								(1)

				(16 MHz)

				HSI RC osc.		1.5		1.9
				(16 MHz)

			fCPU = fMASTER/128 = 125	HSI RC osc.		1.3
			kHz	(16 MHz)
				(16 MHz)

			fCPU = fMASTER/128 =	HSI RC osc.		0.7
			15.625 kHz	(16 MHz/8)	(2)
				(16 MHz/8)

			fCPU = fMASTER = 128 kHz	LSI RC osc.		0.5
				(128 kHz)

Notes:

(1)Data based on characterization results, not tested in production.

(2)Default clock configuration measured with all peripherals off.

10.3.2.3Total current consumption in active halt mode

Table 25: Total current consumption in active halt mode at VDD = 5 V

Symbol

Parameter

Conditions

Typ

Max

Unit

at 85

at 125

Main voltage

Flash

Clock

°C

(1)

°C

(1)

regulator

mode (3)

source

(MVR) (2)

IDD(AH)

Supply current

Operating

HSE

1080

µA

in active halt

mode

crystal

mode

osc.

(16

MHz)

LSI RC

200

320

400

osc.

(128

kHz)

Power-

HSE

1030

down

crystal

mode

osc.

(16

MHz)

LSI RC

140

270

350

osc.

(128

kHz)

Off

Operating

LSI RC

120

220

mode

osc.

(128

Power-

150

kHz)

down

mode

50/99 DocID14771 Rev 13

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