ST62T15C datasheet(17/70 Pages) STMICROELECTRONICS

Numer części	ST62T15C

Szczegółowy opis	8-BIT OTP/EPROM MCUs WITH A/D CONVERTER, OSCILLATOR SAFEGUARD, SAFE RESET AND 28 PINS

PDF	70 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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17 / 70 page

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ST62T15C/T25C/E25C

CLOCK SYSTEM (Cont’d)

Figure 11. Clock Circuit Block Diagram

Figure 12. Maximum Operating Frequency (fMAX) versus Supply Voltage (VDD)

Notes:

1. In this area, operation is guaranteed at the

quartz crystal frequency.

2. When the OSG is disabled, operation in this

area is guaranteed at the crystal frequency. When

the OSG is enabled, operation in this area is guar-

anteed at a frequency of at least fOSG Min.

3. When the OSG is disabled, operation in this

area is guaranteed at the quartz crystal frequency.

When the OSG is enabled, access to this area is

prevented. The internal frequency is kept a fOSG.

4. When the OSG is disabled, operation in this

area is not guaranteed

When the OSG is enabled, access to this area is

prevented. The internal frequency is kept at fOSG.

MAIN

OSCILLATOR

OSG

LFAO

Core

:13

:12

TIMER 1

Watchdog

POR

fINT

Main Oscillator off

2.5

3.6

4.5

5.5

Maximum FREQU ENCY (MHz)

SUPPLY VOLTAGE (VDD)

fOSG

fOSG Min

VR01807

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