ST92163 datasheet(151/224 Pages) STMICROELECTRONICS

Part #	ST92163

Description	8/16-BIT FULL SPEED USB MCU FOR COMPOSITE DEVICES WITH 16 ENDPOINTS, 20K ROM, 2K RAM, I2C, SCI, & MFT

PDF	224 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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ST92163 - SERIAL COMMUNICATIONS INTERFACE (SCI)

SERIAL COMMUNICATIONS INTERFACE (Cont’d)

8.4.2 Functional Description

The SCI offers four operating modes:

– Asynchronous mode

– Asynchronous mode with synchronous clock

– Serial expansion mode

– Synchronous mode

Asynchronous mode, Asynchronous mode with

synchronous clock and Serial expansion mode

output data with the same serial frame format. The

differences lie in the data sampling clock rates

(1X, 16X) and in the protocol used.

Figure 72. SCI Functional Schematic

Note: Some pins may not be available on some devices. Refer to the device Pinout Description.

Divider by 16

The control signals marked with (*) are active only in synchronous mode (SMEN=1)

Polarity

TXclk / CLKout

RX shift

TX buffer

TX shift

RTSEN (*)

Enveloper

AEN (*)

OUTSB (*)

Sout

AEN

RX buffer

Baud rate

generator

RXclk

OCKSB (*)

LBEN (*)

INTCLK

XBRG

AEN (*)

OCLK

XTCLK

DCDEN (*)

DCD

RTS

Sin

INPL (*)

LBEN

OUTPL (*)

INPE N (*)

OCKPL (*)

XRX

OCLK

VR02054

ST92163 Datasheet(PDF) 151 Page - STMicroelectronics

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