SC28L201 datasheet(101/110 Pages) NXP

tên linh kiện	SC28L201

Giải thích chi tiết về linh kiện	3.3 V, 5 V UART, 3.125 Mbit/s, with 256-byte FIFO

PDF	110 Pages

Scroll/Zoom	100%

nhà sản xuất	NXP [NXP Semiconductors]

Trang chủ	http://www.nxp.com

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101 / 110 page

9397 750 13138

Product data sheet

Rev. 01 — 31 October 2005

101 of 110

Philips Semiconductors

SC28L201

3.3 V, 5 V UART, 3.125 Mbit/s, with 256-byte FIFO

C1 = C2

∼ 24 pF for C

L = 13.5 pF. For the oscillator feedback loop, the capacitors C1 and C2 are in series.

C1 and C2 should be chosen according to the crystal manufacturer’s speciﬁcation.

C1 and C2 values will include any parasitic capacitance of the wiring and X1, X2 pins.

Package capacitance approximately 4 pF.

Fig 14. Clock timing

CLK

14.7456 MHz

SC28L201

2 pF

4 pF

X1/SCLK

C/T clock

RxC

TxC

tCLK

tCTC

tRX

tTX

tCLK

tCTC

tRX

tTX

X1/SCLK

(must be left open)

VCC

470

Ω

resistor required

for TTL input

002aab481

to UART circuit

160 k

Ω

(typ.)

3 pF

parasitic capacitance

3 pF

parasitic capacitance

Fig 15. Transmitter external clocks

Fig 16. Receiver external clock

002aab482

1 bit time

(1 or 16 clocks)

TxC

(input)

TXD

td(o)(TXD)

TxC

× output)

tTCS

002aab483

RXD

RxC

× output)

tsu(RXD-RXCH)(D)

th(RXCH-RXD)(D)

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