SC16C852L NXP Semiconductors, SC16C852L Datasheet - Page 48

• Manufacturer Part Number: SC16C852L
• Description: 16 mode or 68 mode bus interface
• Manufacturer: NXP Semiconductors

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NXP Semiconductors
SC16C852L_3
Product data sheet
Fig 18. Receive timing in 16 mode
Fig 19. 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
1.8 V dual UART with 128-byte FIFOs and IrDA encoder/decoder
Rev. 03 — 18 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).
SC16C852L
t
stop
stop
d(CS-IRQH)R
t
bit
bit
d(IOR-INTL)
next data
next data
t
start
start
active
t
d(stop-IRQL)
© NXP B.V. 2008. All rights reserved.
bit
d(stop-INT)
active
bit
active
active
002aac612
002aac619
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