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STLC2500

BLUETOOTH™ SINGLE CHIP

STMicroelectronics 

STLC2500

3.5 Current Consumption

Table 12. Typical current consumption (Tamb = 25°C, 26 MHz digital clock, 1.8 Volts at I/Os)

STLC2500 state

Complete Power Down

Deep Sleep Mode

Sleep Mode

Page/Inquiry scan (1,28 seconds period), combined with Deep Sleep Mode

Active: audio (HV3)

Active: data (DH1) (172,8 Kbps symmetrical)

Active: audio eSCO (EV3), (64 Kbps symmetrical TSCO=6)

Active: audio eSCO (EV5), (64 Kbps symmetrical TSCO=12)

Active: audio eSCO (EV5), (64 Kbps symmetrical TSCO=18)

Active: audio eSCO (EV5), (64 Kbps symmetrical TSCO=24)

Active: audio eSCO (EV5), (64 Kbps symmetrical TSCO=36)

Continuous RX, RF sub chip only.

Continuous TX, RF sub chip only at 2.5 dBm output power.

Value

Unit

6

µA

25

µA

1.4

mA

0.4

mA

10.9

mA

21.8

mA

11.3

mA

9.6

mA

9.1

mA

8.9

mA

8.5

mA

34

mA

32

mA

4 BLOCK DIAGRAM AND ELECTRICAL SCHEMA

Figure 2. The complete chip

EMU

2.75V

Internal Supply Management

1.2V

VDD_IO

2.5V (1.8-2.75V)

RFP

Filter

RFN

Receiver

RF PLL

(FracN)

Transmitter

Auto Calib.

RF_CLK_IN

Sq.

Demo-

dulator

Control

&

Registers

Modu-

lator

PLL

ARM7TDMI

CPU Wrapper

RAM

ROM

AMBA

Peripheral

Bus

UART

Timer

Interrupt

PCM

WLAN

I2C

JTAG [4:0]

LP_CLK

HOST_WAKEUP

BT_WAKEUP

RESETN

UART [3:0]

PCM [3:0]

CONFIG [4:0]

GPIO [3:0]

4/23

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