sc16c852 NXP Semiconductors, sc16c852 Datasheet - Page 47

• Manufacturer Part Number: sc16c852
• Description: 2.5 V To 3.3 V Dual Uart, 5 Mbit/s Max. With 128-byte Fifos, Infrared Irda And 16 Mode Or 68 Mode Bus Interface
• Manufacturer: NXP Semiconductors

NXP Semiconductors
SC16C852_1
Product data sheet
Fig 16. Receive timing in 16 mode
Fig 17. Receive timing in 68 mode
(1) INT is active when RX FIFO fills up to trigger level or a time-out condition happens (see
(2) INT is cleared when RX FIFO drops below trigger level.
(1) IRQ is active when RX FIFO fills up to trigger level or time-out condition happens (see
(2) IRQ is cleared when RX FIFO drops below trigger level.
RXA, RXB
RXA, RXB
CS (read)
INT
IRQ
(1)(2)
IOR
(1)(2)
start
start
bit
bit
D0
D0
Rev. 01 — 31 August 2009
D1
D1
5 data bits
6 data bits
7 data bits
5 data bits
6 data bits
7 data bits
Dual UART with 128-byte FIFOs and IrDA encoder/decoder
D2
D2
16 baud rate clock
16 baud rate clock
data bits (0 to 7)
data bits (0 to 7)
D3
D3
D4
D4
D5
D5
D6
D6
D7
D7
Section
Section
parity
parity
bit
bit
6.8).
6.8).
t
stop
stop
d(CS-IRQH)R
t
bit
bit
d(IOR-INTL)
SC16C852
next data
next data
t
start
start
d(stop-IRQL)
active
© NXP B.V. 2009. All rights reserved.
t
bit
bit
d(stop-INT)
active
active
active
002aac612
002aac619
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