ST16C580CP40 datasheet(13/41 Pages) EXAR

tên linh kiện	ST16C580CP40

Giải thích chi tiết về linh kiện	UART WITH 16-BYTE FIFO?셲 AND INFRARED (IrDA) ENCODER/DECODER

PDF	41 Pages

Scroll/Zoom	100%

nhà sản xuất	EXAR [Exar Corporation]

Trang chủ	http://www.exar.com

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ST16C580

Rev. 1.20

Divide

1 logic

XTAL1

XTAL2

Divide

4 logic

Clock

Oscillator

Logic

Baudrate

Generator

Logic

-BAUDOUT

MCR

Bit-7=0

MCR

Bit-7=1

Crystal oscillator or External clock 1X / 4X selection

DLM (MSB) and DLL (LSB) provides a user capability

for selecting the desired final baud rate. The example

in Table 4 below, shows the two selectable baud rate

tables available when using a 7.3728 MHz crystal.

Table 4, BAUD RATE GENERATOR PROGRAM-

MING TABLE (7.3728 MHz CLOCK):

Output

User

DLM

DLL

Baud Rate

16 x Clock

Program

MCR

Divisor

Value

BIT-7=1

Bit-7=0

(Decimal)

(HEX)

200

2304

900

300

1536

600

150

600

768

300

1200

384

180

600

2400

192

1200

4800

2400

9600

4800

19.2K

7200

28.8K

9600

38.4k

19.2k

76.8k

38.4k

153.6k

57.6k

230.4k

115.2k

460.8k

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