ST10F280_12 datasheet(151/239 Pages) STMICROELECTRONICS

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ST10F280 데이터시트(PDF) 151 Page - STMicroelectronics

부품명	ST10F280

상세설명	16-bit MCU with MAC unit, 512 Kbyte Flash memory and 18 Kbyte RAM

PDF	239 Pages

Scroll/Zoom	100%

제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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151 / 239 page

ST10F280

Serial channels

Doc ID 8673 Rev. 3

151/239

14.1.2

ASCO in synchronous mode

In synchronous mode, data are transmitted or received synchronously to a shift clock which

is generated by the ST10F280. Half-duplex communication up to 5M Baud (at 40MHz of

fCPU) is possible in this mode.

Figure 57.

Synchronous mode of serial channel ASC0

Synchronous mode baud rates

For synchronous operation, the Baud rate generator provides a clock with 4 times the rate of

the established Baud rate. The Baud rate for synchronous operation of serial channel ASC0

can be determined by the following formula:

(S0BRL) represents the content of the reload register, taken as unsigned 13 Bit integers,

(S0BRS) represents the value of Bit S0BRS (‘0’ or ‘1’), taken as integer.

BSync =

S0BRL = (

fCPU

4 x [2 + (S0BRS)] x BSync

) 1

fCPU

4 x [2 + (S0BRS)] x [(S0BRL) + 1]

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