SC16C852LIB datasheet(49/60 Pages) PHILIPS

部件名	SC16C852LIB

功能描述	1.8 V dual UART, 5 Mbit/s (max.) with 128-byte FIFOs, infrared (IrDA) and 16 mode or 68 mode bus interface

PDF	60 Pages

Scroll/Zoom	100%

制造商	PHILIPS [NXP Semiconductors]

网页	http://www.nxp.com

标志

49 / 60 page

SC16C852L_2

Product data sheet

Rev. 02 — 25 January 2007

49 of 60

NXP Semiconductors

SC16C852L

1.8 V dual UART with 128-byte FIFOs and IrDA encoder/decoder

(1) INT is active when TX FIFO is empty or TX FIFO drops below trigger level.

(2) INT is cleared when ISR is read or TX FIFO ﬁlls up to trigger level.

Fig 22. Transmit timing in 16 mode

active

transmitter ready

active

16 baud rate clock

002aac616

td(IOW-INTL)

INT(1)(2)

IOW

active

TXA, TXB

5 data bits

6 data bits

7 data bits

stop

bit

parity

bit

start

bit

data bits (0 to 7)

next data

start

bit

td(start-INT)

td(IOW-TX)

(1) IRQ is active when TX FIFO is empty or TX FIFO drops below trigger level.

(2) IRQ is cleared when ISR is read or TX FIFO ﬁlls up to trigger level.

Fig 23. Transmit timing in 68 mode

active

TX ready

active

16 baud rate clock

002aac622

td(CS-IRQH)W

start

bit

td(start-IRQL)

TXA, TXB

IRQ(1)(2)

CS (write)

data bits (0 to 7)

active

td(CS-TX)W

5 data bits

6 data bits

7 data bits

parity

bit

stop

bit

next data

start

bit

SC16C852LIB 数据表(PDF) 49 Page - NXP Semiconductors

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