CR8F612X datasheet(47/89 Pages) STMICROELECTRONICS

Part #	CR8F612X

Description	16 MHz CR8F 8-bit MCU, up to 8 Kbytes Flash, 1 Kbyte RAM,640 bytes EEPROM,10-bit ADC, 2 timers, UART, SPI, I²C

PDF	89 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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47 / 89 page

CR8F612X

Electrical characteristics

Doc ID 15590 Rev 1

45/88

9.3.1

VCAP external capacitor

Stabilization for the main regulator is achieved connecting an external capacitor CEXT to the

VCAP pin. CEXT is specified in Table 17. Care should be taken to limit the series inductance

to less than 15 nH.

Figure 8.

External capacitor CEXT

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

Table 18.

Operating conditions at power-up/power-down

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

tVDD

VDD rise time rate

∞

µs/V

VDD fall time rate

(1)

Reset is always generated after a tTEMP delay. The application must ensure that VDD is still above the

minimum ooperating voltage (VDD min) when the tTEMP delay has elapsed.

∞

tTEMP

Reset release

delay

VDD rising

1.7

VIT+

Power-on reset

threshold

2.6

2.7

2.85

VIT-

Brown-out reset

threshold

2.5

2.65

2.8

VHYS(BOR)

Brown-out reset

hysteresis

Rleak

ESR

ESL

CR8F612X Datasheet(PDF) 47 Page - STMicroelectronics

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