STS1TX datasheet(55/70 Pages) STMICROELECTRONICS

Il numero della parte	STS1TX

Spiegazioni elettronici	Industrial monitoring and control

PDF	70 Pages

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Produttore elettronici	STMICROELECTRONICS [STMicroelectronics]

Homepage	http://www.st.com

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55 / 70 page

DocID025109 Rev 1

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STS1TX

This section describes all the registers used to configure the STS1TX. The description is

structured in sections according to the register usage.

STS1TX has three types of registers:

•

Read and write (R/W), which can be completely managed by SPI using READ and

WRITE operations

•

Read-only (R)

•

Read-and-reset (RR), is automatically cleared after a READ operation.

A further category of special registers collects the ones which cannot be categorized in any

of the three mentioned above R/W, R, or RR.

The fields named as “Reserved” must not be overridden by the user. Otherwise, behavior is

not guaranteed.

The memory map is shown in the following table:

Table 34. General configuration registers

Address

Bit

Field name

Reset

R/W

Description

ANA_FUNC_CONF[1]

0x00

7:5

Reserved

000

R/W

4:2

GM_CONF[2:0]

011

Sets the driver gm of the XO at

startup

1:0

SET_BLD_LVL[1:0]

Sets the BLD threshold

00: 2.7 V

01: 2.5 V

10: 2.3 V

11: 2.1 V

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