STM8S007C8 datasheet(57/93 Pages) STMICROELECTRONICS

Part #	STM8S007C8

Description	Value line, 24 MHz STM8S 8-bit MCU, 64 Kbytes Flash, true data EEPROM, 10-bit ADC, timers, 2 UARTs, SPI, I²C

PDF	93 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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57 / 93 page

DS8633 Rev 6

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STM8S007C8

Electrical characteristics

Figure 13. HSE oscillator circuit diagram

Table 30. HSE oscillator characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

fHSE

External high speed oscillator

frequency

-1

MHz

Feedback resistor

220

C(1)

Recommended load capacitance (2)

IDD(HSE) HSE oscillator power consumption

C = 20 pF,

fOSC = 24 MHz

6 (startup)

2 (stabilized)(3)

C = 10 pF,

fOSC = 24 MHz

6 (startup)

1.5 (stabilized)(3)

Oscillator transconductance

mA/V

tSU(HSE)(4) Startup time

VDD is stabilized

1. C is approximately equivalent to 2 x crystal Cload.

2. The oscillator selection can be optimized in terms of supply current using a high quality resonator with small Rm value.

Refer to crystal manufacturer for more details

3. Guaranteed by characterization results.

tSU(HSE) is the start-up time measured from the moment it is enabled (by software) to a stabilized 24 MHz oscillation is

reached. This value is measured for a standard crystal resonator and it can vary significantly with the crystal manufacturer.

OSCOUT

OSCIN

fHSE to core

CL1

STM8

Resonator

Consumption

control

Resonator

CL2

MS36490V3

STM8S007C8 Datasheet(PDF) 57 Page - STMicroelectronics

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