ST72622L2M1L View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72622L2M1L

LOW SPEED USB 8-BIT MCU WITH 3 ENDPOINTS, FLASH OR ROM MEMORY, LVD, WDG, 10-BIT ADC, 2 TIMERS, SCI, SPI

STMicroelectronics 

ST7262

OPERATING CONDITIONS (Cont’d)

Figure 55. fCPU Versus VDD for low voltage devices

fCPU [MHz]

FUNCTIONALITY

NOT GUARANTEED

IN THIS AREA

8

FUNCTIONALITY

GUARANTEED

IN THIS AREA

(UNLESS OTHERWISE

SPECIFIED IN THE

4

TABLES OF

PARAMETRIC DATA)

2

0

2.5

3.0

3.5

4

4.5

5

5.5 SUPPLY VOLTAGE [V]

12.3.2 Operating Conditions with Low Voltage Detector (LVD)

Subject to general operating conditions for VDD, fCPU, and TA. Refer to Figure 15 on page 21.

Symbol

Parameter

Conditions

Min Typ 1) Max Unit

VIT+

VIT-

Vhyst

VtPOR

Low Voltage Reset Threshold (VDD rising)

Low Voltage Reset Threshold (VDD falling)

Hysteresis (VIT+ - VIT-)

VDD rise time rate 3)

VDD Max. Variation 50V/ms

VDD Max. Variation 50V/ms

3.6

3.45

120 2)

0.5

3.8

3.65

150 2)

3.95

3.8

180 2)

50

V

V

mV

V/ms

Notes:

1. Not tested, guaranteed by design.

2. Not tested in production, guaranteed by characterization.

3. The VDD rise time rate condition is needed to insure a correct device power-on and LVD reset. Not tested in production.

101/132

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