ST7LITE09 datasheet(86/122 Pages) STMICROELECTRONICS

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13.4 SUPPLY CURRENT CHARACTERISTICS

The following current consumption specified for

the ST7 functional operating modes over tempera-

ture range does not take into account the clock

source current consumption. To get the total de-

vice consumption, the two current values must be

added (except for HALT mode for which the clock

is stopped).

13.4.1 Supply Current

TA = -40 to +125°C unless otherwise specified

Notes:

1. CPU running with memory access, all I/O pins in input mode with a static value at VDD or VSS (no load), all peripherals

in reset state; clock input (CLKIN) driven by external square wave, LVD disabled.

2. All I/O pins in input mode with a static value at VDD or VSS (no load), all peripherals in reset state; clock input (CLKIN)

driven by external square wave, LVD disabled.

3. SLOW mode selected with fCPU based on fOSC divided by 32. All I/O pins in input mode with a static value at VDD or

VSS (no load), all peripherals in reset state; clock input (CLKIN) driven by external square wave, LVD disabled.

4. SLOW-WAIT mode selected with fCPU based on fOSC divided by 32. All I/O pins in input mode with a static value at

VDD or VSS (no load), all peripherals in reset state; clock input (CLKIN) driven by external square wave, LVD disabled.

Figure 55. Typical IDD in RUN vs. fCPU

Figure 56. Typical IDD in SLOW vs. fCPU

Figure 57. Typical IDD in WAIT vs. fCPU

Figure 58. Typical IDD in SLOW-WAIT vs. fCPU

Symbol

Parameter

Conditions

Typ

Max

Unit

IDD

Supply current in RUN mode

fCPU=8MHz

4.50

7.00

Supply current in WAIT mode

fCPU=8MHz

1.75

2.70

Supply current in SLOW mode

fCPU=500kHz

0.75

1.13

Supply current in SLOW WAIT mode

fCPU=500kHz

0.65

Supply current in HALT mode

-40°C

≤T

A≤+85°C

0.50

µA

TA= +125°C

100

0.0

1.0

2.0

3.0

4.0

5.0

2.4

2.7

3.7

4.5

5.5

Vdd (V)

8MHz

4MHz

1MHz

0.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

0.80

2.4

2.7

3.7

4.5

5.5

VDD (V)

500kHz

250kHz

125kHz

0.0

0.5

1.0

1.5

2.0

2.4

2.7

3.7

4.5

5.5

Vdd (V)

8MHz

4MHz

1MHz

0.00

0.10

0.20

0.30

0.40

0.50

0.60

0.70

2.4

2.7

3.7

4.5

5.5

Vdd (V)

500kHz

250kHz

125kHz

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