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SC16C2552BIA44,518

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P38
SC16C2552B_3 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 03 — 12 February 2009 28 of 38
NXP Semiconductors
SC16C2552B
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 16-byte FIFOs
Fig 10. Receive ready timing in non-FIFO mode
D0 D1 D2 D3 D4 D5 D6 D7
002aae288
next
data
start
bit
stop
bit
parity
bit
t
25d
RXA, RXB
RXRDYA, RXRDYB
IOR
active data
ready
start
bit
data bits (0 to 7)
active
t
26d
Fig 11. Receive ready timing in FIFO mode
D0 D1 D2 D3 D4 D5 D6 D7
002aae289
first byte that
reaches the
trigger level
stop
bit
parity
bit
t
25d
RXA, RXB
RXRDYA, RXRDYB
IOR
active data
ready
start
bit
data bits (0 to 7)
active
t
26d
SC16C2552B_3 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 03 — 12 February 2009 29 of 38
NXP Semiconductors
SC16C2552B
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 16-byte FIFOs
Fig 12. Transmit timing
active
transmitter ready
active
16 baud rate clock
002aae290
t
24d
INTA, INTB
IOW
active
D0 D1 D2 D3 D4 D5 D6 D7
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
t
22d
t
23d
Fig 13. Transmit ready timing in non-FIFO mode
D0 D1 D2 D3 D4 D5 D6 D7
002aae291
start
bit
t
27d
TXRDYA, TXRDYB
IOW
data bits (0 to 7)
active
D0 to D7 byte #1
t
28d
transmitter
not ready
active
transmitter ready
parity
bit
stop
bit
next
data
start
bit
TXA, TXB
SC16C2552B_3 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 03 — 12 February 2009 30 of 38
NXP Semiconductors
SC16C2552B
5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 16-byte FIFOs
Fig 14. Transmit ready timing in FIFO mode (DMA mode ‘1’)
D0 D1 D2 D3 D4 D5 D6 D7
002aae292
stop
bit
parity
bit
t
27d
TXA, TXB
IOW
D0 to D7
start
bit
data bits (0 to 7)
byte #16
TXRDYA, TXRDYB
t
28d
FIFO full
active
5 data bits
6 data bits
7 data bits
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P38

SC16C2552BIA44,518

Mfr. #:
Buy SC16C2552BIA44,518
Manufacturer:
NXP Semiconductors
Description:
UART Interface IC 16CB 2.5V-5V 2CH
Lifecycle:
New from this manufacturer.
Delivery:
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