ST7FDALIF2M6 datasheet(108/141 Pages) STMICROELECTRONICS

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ST7DALI

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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 +85°C unless otherwise specified, VDD=5.5V

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.

5. All I/O pins in output mode with a static value at VSS (no load), LVD disabled. Data based on characterization results,

tested in production at VDD max and fCPU max.

6. All I/O pins in input mode with a static value at VDD or VSS (no load). Data tested in production at VDD max. and fCPU

max.

7. This consumption refers to the Halt period only and not the associated run period which is software dependent.

Figure 63. Typical IDD in RUN vs. fCPU

Figure 64. Typical IDD in SLOW vs. fCPU

Symbol

Parameter

Conditions

Typ

Max

Unit

IDD

Supply current in RUN mode

External Clock, fCPU=1MHz

Internal RC, fCPU=1MHz

2.2

fCPU=8MHz

7.5

Supply current in WAIT mode

External Clock, fCPU=1MHz

0.8

Internal RC, fCPU=1MHz

1.8

fCPU=8MHz

3.7

Supply current in SLOW mode

fCPU=250kHz

1.6

2.5

Supply current in SLOW WAIT mode

fCPU=250kHz

1.6

2.5

Supply current in HALT mode 5)

-40°C

≤T

A≤+85°C

110

µA

TA= +125°C

Supply current in AWUFH mode 6)7)

TA= +25°C

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

2.02.5

3.03.5

4.04.5

5.05.5

6.0

Vdd (V)

8Mhz

4Mhz

1Mhz

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

2.5

3.5

4.5

5.5

Vdd(V)

250Khz

125Khz

62.5Hz

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