STW81102ATR datasheet(31/43 Pages) STMICROELECTRONICS

部件名	STW81102ATR

功能描述	Multi-band RF frequency synthesizer with integrated VCOs

PDF	43 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

31 / 43 page

STW81102

SPI digital interface

31/43

6.2

Timing specification

Figure 27.

SPI Timing specification

Table 18.

SPI data structure

MSB

LSB

Address

Data for Register (24 bits)

A0 D23 D22 D21 D20 D19 D18 D17 D16 D15 D14 D13 D12 D11 D10 D9

Table 19.

Address decoder and outputs

Address

Outputs

DATABITS

D23-D0

Name

Function

ST1

Reference divider, VCO amplitude,

VCO Calibration, Charge Pump

current, Prescaler Modulus

ST2

Functional modes, VCO dividers

ST3

Reserved

ST4

Reserved

Table 20.

SPI Timing specification

Parameter

Description

Min.

Typ.

Max.

Unit

tsetup

DATA to CLOCK setup time

0.8

thold

DATA to clock hold time

0.2

tclk

CLOCK cycle period

tload

LOAD pulse width

tclk_loadr

CLOCK to LOAD rising edge

tclk_loadf

CLOCK to LOAD falling edge

0.5

STW81102ATR 数据表(PDF) 31 Page - STMicroelectronics

STW81102ATR 数据表(HTML) 31 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43

数据表下载