ST7260 datasheet(89/117 Pages) STMICROELECTRONICS

Numer części	ST7260

Szczegółowy opis	LOW SPEED USB 8-BIT MCU FAMILY WITH UP TO 8K FLASH/ROM AND SERIAL COMMUNICATION INTERFACE (SCI)

PDF	117 Pages

Scroll/Zoom	100%

Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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ST7260

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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).

Notes:

1. Oscillator and watchdog running. All others peripherals disabled.

2. USB Transceiver is powered down.

3. Not tested in production, guaranteed by characterization.

4. CPU in HALT mode. Current consumption of external pull-up (1.5Kohms to USBVCC) and pull-down (15Kohms to

VSSA) not included.

Figure 43. Typ. IDD in RUN at 4 and 8 MHz fCPU

Figure 44. Typ. IDD in WAIT at 4 and 8 MHz fCPU

Symbol

Parameter

Conditions

Typ

Max

Unit

∆I

DD(

∆Ta) Supply current variation vs. temperature

Constant VDD and fCPU

10 3)

IDD

CPU RUN mode

I/Os in input mode

fCPU = 4 MHz

7.5

9 1)3)

fCPU = 8 MHz

10.5

13 1)

CPU WAIT mode

fCPU = 4 MHz

8 3)

fCPU = 8 MHz

8.5

11 1)

CPU HALT mode 2)

LVD disabled

40 3)

µA

USB Suspend mode 4)

LVD disabled

100

120

µA

LVD enabled

230

Idd Run (mA) at fcpu=4 and 8MHz

4.2

4.4

4.6

4.8

5.2

5.4

Vdd (V)

8MHz

4MHz

Idd WFI (mA) at fcpu=4 and 8MHz

4.2

4.4

4.6

4.8

5.2

5.4

Vdd (V)

8MHz

4MHz

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