sc16c850iet NXP Semiconductors, sc16c850iet Datasheet - Page 44

• Manufacturer Part Number: sc16c850iet
• Description: Sc16c850 2.5 V To 3.3 V Uart, 5 Mbit/s Max. With 128-byte Fifos, Infrared Irda , And 16 Mode Or 68 Mode Parallel Bus Interface
• Manufacturer: NXP Semiconductors

NXP Semiconductors
SC16C850_1
Product data sheet
Fig 17. Receive timing in 16 mode
Fig 18. 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.
CS (read)
INT
IRQ
(1)(2)
IOR
(1)(2)
RX
RX
start
start
bit
bit
D0
D0
2.5 V to 3.3 V UART with 128-byte FIFOs and IrDA encoder/decoder
Rev. 01 — 10 January 2008
D1
D1
5 data bits
6 data bits
7 data bits
5 data bits
6 data bits
7 data bits
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).
stop
t
t
stop
d(CS-IRQH)R
bit
d(IOR-INTL)
bit
SC16C850
next data
next data
start
t
start
t
bit
active
d(stop-INT)
active
d(stop-IRQL)
© NXP B.V. 2008. All rights reserved.
active
bit
active
002aac410
002aac633
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