XR16L78464-TQFP EXAR [Exar Corporation], XR16L78464-TQFP Datasheet - Page 46

• Manufacturer Part Number: XR16L78464-TQFP
• Description: HIGH PERFORMANCE 2.97V TO 5.5V QUAD UART
• Manufacturer: EXAR [Exar Corporation]

XR16L784
HIGH PERFORMANCE 2.97V TO 5.5V QUAD UART
F
F
IGURE
IGURE
D S R #
IO W #
R T S #
D T R #
C D #
C T S #
IO R #
IN T
R I#
RX
IN T#
IO R #
(R eading data
out of RH R)
20. M
21. R
ECEIVE
ODEM
I
NPUT
I
NTERRUPT
S tart
B it
/O
C h an ge of
UTPUT
A ctiv e
S ta te
D0:D7
T
IMING
P
ORT
S top
[N
B it
D
T
T
ON
RR
ELAY
in RH R
1 7 D
T
1 B yte
1 8 D
-FIFO M
C h an ge of
S ta te
ODE
C h an ge of
D0:D7
46
S ta te
A ctiv e
A ctiv e
]
T
RR
in RH R
1 B yte
T
1 9 D
T
1 8 D
A ctiv e
A ctiv e
C h an ge of
S ta te
D0:D7
C h an ge of
áç
áç
áç
áç
T
T
1 8 D
S ta te
RR
A ctiv e
in RH R
1 B yte
A ctiv e
M o d e m -1
REV. 1.2.0