ST7232A datasheet(115/157 Pages) STMICROELECTRONICS

部件名	ST7232A

功能描述	8-BIT MICROCONTROLLER WITH 8K FLASH/ROM, ADC, 4 TIMERS, SPI, SCI INTERFACE

PDF	157 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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ST7232A

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12.2.3 Thermal Characteristics

12.3 OPERATING CONDITIONS

12.3.1 Operating Conditions

Figure 58. fCPU Max Versus VDD

Note: Some temperature ranges are only available with a specific package and memory size. Refer to Or-

dering Information.

Warning: Do not connect 12V to VPP before VDD is powered on, as this may damage the device.

Symbol

Ratings

Value

Unit

TSTG

Storage temperature range

-65 to +150

°C

Maximum junction temperature (see Section 13.2 THERMAL CHARACTERISTICS)

Symbol

Parameter

Conditions

Min

Max

Unit

fCPU

Internal clock frequency

MHz

VDD

Operating voltage (except Flash Write/

Erase)

3.8

5.5

Operating Voltage for Flash Write/Erase

VPP = 11.4 to 12.6V

4.5

5.5

Ambient temperature range

1 Suffix Version

°C

5 Suffix Version

-10

6 or A Suffix Versions

-40

105

-40

125

fCPU [MHz]

SUPPLY VOLTAGE [V]

3.5

4.0

4.5

5.5

FUNCTIONALITY

GUARANTEED

IN THIS AREA

NOT GUARANTEED

IN THIS AREA

3.8

(UNLESS

OTHERWISE

SPECIFIED

IN THE TABLES

OF PARAMETRIC

DATA)

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