STW81103 Просмотр технического описания (PDF) - STMicroelectronics

Номер в каталоге

Компоненты Описание

производитель

STW81103

Multi-band RF frequency synthesizer with integrated VCOs

STMicroelectronics 

Block diagram and pin configuration

STW81103

Table 1. Pin description (continued)

Pin No

Name

Description

10 ICP

PLL charge pump output

11 REXT

External resistance connection for PLL

charge pump

12 VDD_CP

Power supply for charge pump

13 TEST1

Test input 1

14 LOCK_DET

Lock detector

15 TEST2

Test input 2

16 REF_CLK

17 VDD_PLL

Reference clock input

PLL digital power supply

18 EXTVCO_INN External VCO negative input

19 EXTVCO_INP External VCO positive input

20 VDD_BUFVCO VCO buffer power supply

21 DBUS_SEL

22 VDD_DBUS

Digital Bus Interface select

SPI and I2C bus power supply

23 EXT_PD

Power down hardware

‘0’ device ON; ‘1’ device OFF

24 SDA/DATA

I2CBUS/SPI data line

25 SCL/CLK

26 ADD0/LOAD

I2CBUS/SPI clock line

I2CBUS address select pin/ SPI load line

27 ADD1

I2CBUS address select pin

28 ADD2

I2CBUS address select pin

Observation

For test purposes only;

must be connected to

GND

CMOS output

(IOUT=4mA)

For test purposes only;

must be connected to

GND

For test purposes only;

must be connected to

GND

For test purposes only;

must be connected to

GND

CMOS input

CMOS input

CMOS Bidir Schmitt

triggered (IOUT=4mA)

CMOS input Schmitt

triggered

CMOS input

CMOS input; must be

connected to GND in SPI

mode

CMOS input; must be

connected to GND in SPI

mode

8/53

Share Link: