scn2651 NXP Semiconductors, scn2651 Datasheet - Page 13
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scn2651
Manufacturer Part Number
scn2651
Description
Programmable Communications Interface Pci
Manufacturer
NXP Semiconductors
Datasheet
1.SCN2651.pdf
(15 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
scn2651CC1F28
Manufacturer:
PHILIPS
Quantity:
73
Company:
Part Number:
scn2651CC1N28
Manufacturer:
PHILIPS
Quantity:
18
Philips Semiconductors
TIMING DIAGRAMS (Continued)
1994 Apr 27
Programmable communications interface (PCI)
A = Start bit
B = Stop bit 1
C = Stop bit 2
D = TxD marking condition
NOTES:
STATUS BIT
CE FOR
CE FOR
RxRDY
RxRDY
RxEN
STATUS BIT
RxEN
OVERRUN
RxC
RxD
RxD
READ
READ
SYNDET
D
A
STATUS
READ
RxRDY (Shown for 5-bit characters, no parity, 2 stop bits [in asynchronous mode])
1
1
2
2
DATA 1
SYN 1
3
3
4
4
5
5
1
B
2
C
STATUS
DATA 1
READ
3
A
4
1
READ RHR
(DATA 1)
5
2
DATA 2
1
3
4
2
READ RHR
DATA 2
(DATA 1)
3
5
13
4
B
5
C
1
_
D
2
DATA 3
_
3
READ RHR
(DATA 2)
A
4
1
5
2
DATA 3
1
3
2
DATA 4
4
3
READ RHR
(DATA 3)
5
4
B
5
C
1
A
IGNORED
2
READ RHR
DATA 5
1
(DATA 3)
READ RHR
Product specification
3
(DATA 3)
SCN2651
2
DATA 4
4
3
5
SD00054