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SC16C852SVIET,157

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48
SC16C852SV_1 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 01 — 23 September 2008 40 of 48
NXP Semiconductors
SC16C852SV
Dual UART with 128-byte FIFOs, IrDA, and XScale VLIO bus interface
Fig 10. Modem input/output timing
t
d(IOW-Q)
change of state
t
d(IOR-INTL)
002aac356
t
d(modem-INT)
change of state
change of state change of state
active
active active active
active active active
change of state
RTSA, RTSB
DTRA, DTRB
IOW
CDA, CDB
CTSA, CTSB
DSRA, DSRB
INTA, INTB
IOR
RIA, RIB
t
d(modem-INT)
t
d(modem-INT)
Fig 11. External clock timing
external clock
002aac357
t
w(clk)
t
WL
t
WH
f
XTAL1
1
t
wclk()
---------------
=
SC16C852SV_1 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 01 — 23 September 2008 41 of 48
NXP Semiconductors
SC16C852SV
Dual UART with 128-byte FIFOs, IrDA, and XScale VLIO bus interface
Fig 12. Receive timing
D0 D1 D2 D3 D4 D5 D6 D7
active
active
sampling rate × baud rate clock
002aad605
RXA, RXB
INTA, INTB
IOR
t
d(IOR-INTL)
t
d(stop-INT)
5 data bits
6 data bits
7 data bits
stop
bit
parity
bit
start
bit
data bits (0 to 7)
next
data
start
bit
Fig 13. Transmit timing
active
transmitter ready
active
002aad606
t
d(IOW-INTL)
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
d(start-INT)
t
d(IOW-TX)
sampling rate × baud rate clock
SC16C852SV_1 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 01 — 23 September 2008 42 of 48
NXP Semiconductors
SC16C852SV
Dual UART with 128-byte FIFOs, IrDA, and XScale VLIO bus interface
Fig 14. Infrared transmit timing
Fig 15. Infrared receive timing
01010011 10
UART frame
TX data
1
/
2
bit time
002aaa212
data bitsstart stop
bit
time
IrDA TX data
3
/
16
bit time
01010011 10
UART frame
RX data
IrDA RX data
bit
time
002aaa213
start data bits stop
0 to 1 16× clock delay
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30P31-P33P34-P36P37-P39P40-P42P43-P45P46-P48

SC16C852SVIET,157

Mfr. #:
Buy SC16C852SVIET,157
Manufacturer:
NXP Semiconductors
Description:
UART Interface IC UART 2-CH 128Byte FIFO 1.8V 36-Pin
Lifecycle:
New from this manufacturer.
Delivery:
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