XR88C92CJ EXAR [Exar Corporation], XR88C92CJ Datasheet - Page 3

• Manufacturer Part Number: XR88C92CJ
• Description: DUAL UNIVERSAL ASYNCHRONOUS RECEIVER AND TRANSMITTER
• Manufacturer: EXAR [Exar Corporation]

Block Diagram
R E S E T
D 0 -D 7
X T A L 1
X T A L 2
A 0 -A 3
-IO W
Rev. 1.31
-IO R
-IN T
-C S
3
T ra n sm it
R e g is te rs
R e g is te rs
T ra n sm it
R e g is te rs
R e g is te rs
C o n tro l
R e c e iv e
C o n tro l
C o n tro l
R e c e iv e
C o n tro l
F IF O
F IF O
F IF O
F IF O
L o g ic
L o g ic
L o g ic
L o g ic
F lo w
F lo w
F lo w
F lo w
C h an n el A
C h an n el B
P u rp o se
C o n tro l
M u lti-
L o g ic
T ra n sm it
T ra n sm it
XR88C92/192
R e g is te r
R e g is te r
R e g is te r
R e g is te r
R e c e iv e
R e c e iv e
I/O
S h ift
S h ift
S h ift
S h ift
W a tc h
W a tc h
T im e r
T im e r
D o g
D o g
O P 0 -O P 7
T X A
R X A
T X B
R X B
IP 0 -IP 6