ST7GEME4 datasheet(15/28 Pages) STMICROELECTRONICS

15 / 28 page

ST7GEME4

Electrical characteristics

15/28

Table 8 characteristics are measured at TA=0 to +70

oC, and V

DD-VSS=5.5V unless

otherwise specified.

Table 9 characteristics are measured at TA=0 to +70

oC. Voltage are referred to V

SS unless

otherwise specified.

Table 8.

Current consumption(1)

All I/O pins are in input mode with a static value at VDD or VSS; clock input (OSCIN) driven by external

square wave.

Symbol

Parameter

Conditions

Min

Typ.

Max

Unit

IDD

Supply current in RUN mode(2)

CPU running with memory access, all I/O pins in input mode with a static value at VDD or VSS; clock input

(OSCIN) driven by external square wave.

fOSC = 4MHz

Supply current in suspend mode

External ILOAD = 0mA

(USB transceiver

enabled)

500

µA

Supply current in Halt mode

External ILOAD = 0mA

(USB transceiver

disabled)

100

Table 9.

I/O port pins characteristics

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

VIL

Input low level voltage

VDD=5V

0.3VDD

VIH

Input high level voltage

VDD=5V

0.7VDD

VHYS

Schmidt trigger voltage

hysteresis(1)

Hysteresis voltage between Schmitt trigger switching levels. Based on characterization results, not tested.

400

VOL

Output low level voltage for

Standard I/O port pins

I=-5mA

1.3

I=-2mA

0.4

VOH

Output high level voltage

I=3mA

VDD-

0.8

Input leakage current

VSS<VPIN<VDD

1µA

RPU

Pull-up equivalent resistor

170

Ω

tOHL

Output high to low level fall time

for high sink I/O port pins (Port

D)(2)

Guaranteed by design, not tested in production.

Cl=50pF

tOHL

Output high to low level fall time

for standard I/O port pins (Port A,

B or C)(2)

tOLH

Output L-H rise time (Port D)(2)

tOLH

Output L-H rise time for standard

I/O port pins (Port A, B or C)(2)

tITEXT

External interrupt pulse time

tCPU

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