TC35680FSG datasheet(70/91 Pages) TOSHIBA

70 / 91 page

TC35680FSG-002/TC35681FSG-002

2019-04-04

5.3. DC Characteristics

Current Consumption (Design Target Value)

Table 5-3 shows a list of the current consumption values. Each value is an average operating value with a recommended connection

of each power supply pin. For the measured values, the measurement is done under our company’s evaluation environment.

The current consumption characteristics are based on the following conditions, unless specified otherwise.



Ambient temperature (Ta): 25°C



CPU clock frequency: 32 MHz



Sleep clock frequency: 32.768 kHz, using a crystal resonator



Power supply source in the normal operating mode: DC/DC convertor



VBAT = VDDIO = 3.0 V



VSSA = VSSRFIO = VSSDC = VSSD = VSSX = 0 V

Table 5-4 shows a list of DC characteristic values for each pin

Table 5-3 Current consumption

Item

Symbol

Condition

Measured pin

(Note 1)

Min.

Typ.

Max.

Unit

Current consumption of

the digital circuits at

operation

IDDDIG

(Active1)

Bluetooth® wireless: not used

Built-in Flash memory: not used

VBAT

—

1.2

—

IDDIO

All GPIO is Hi-Z

VDDIO

—

0.3

—

μA

Digital circuit current

consumption of the built-

in Flash memory

(Note 2)

IDDRD

(Read)

Reading

VBAT

—

3.8

—

IDDWR

(Write)

Programming

—

16.2

—

IDDER

(Erase)

Erasing

—

16.2

—

Data reception current

consumption

IDDRX

(Active2)

125 kbps

—

5.2

—

500 kbps

5.2

1 Mbps

5.1

2 Mbps

5.6

Data transmission

current consumption

IDDTX

(Active3)

Output Power = 0 dBm

1 Mbps

—

5.2

—

2 Mbps

—

5.4

—

Output Power = +8 dBm

125 kbps

—

11.3

—

500 kbps

—

1 Mbps

—

2 Mbps

—

11.5

—

Output Power = +8 dBm

Frequency of reference

clock = 16 MHz

1 Mbps

—

11.0

—

Output Power = +8 dBm

Power supply source: LDO

regulator

1 Mbps

—

26.0

—

Low power mode

—

Common condition: The oscillation of the

reference clock is stopped.

—

μA

Current consumption in

Low power mode

(Sleep mode)

IDDS1

Power supply of CPU: on

The oscillation of the sleep clock is operated.

Whole of the data is retained.

—

2.5

—

Current consumption in

Low power mode

(Backup mode)

IDDS2

Power supply of CPU: off

The oscillation of the sleep clock is operated.

Whole of the data is retained.

—

2.5

—

Current consumption in

Low power mode

(Deep Sleep mode)

IDDS

Power supply of CPU: off

The oscillation of the sleep clock is stopped.

No data is retained.

—

0.05

—

Note 1: The operating current consumption of a GPIO circuit depends on a load capacitance of its pin.

Note 2: Only for TC35680.

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