pt7a6525 Pericom Technology Inc, pt7a6525 Datasheet - Page 44

• Manufacturer Part Number: pt7a6525
• Description: Pt7a6525/6525l/6526 Hdlc Controller
• Manufacturer: Pericom Technology Inc

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Receive Address
RAH1, RAH2 Registers are used in Auto Mode, Non-Auto Mode or Transparent Mode 1 when in 2-byte Address Mode.
The high-address byte of a received frame is compared with the content of RAH1 or RAH2 register in Auto mode, Non- Auto
Mode and Transparent Mode 1.
Note: The content of the RAH1 Register must be 00 when the address is only 1 byte long in Auto Mode.
• Receive Address High 1 (RAH1)
• Receive Address High 2 (RAH2)
PT0017(12/05)
Table 19. Receive Address High 1
Table 20. Receive Address High 2
D
D
7
7
B t i
B t i
B t i
B t i
B
B t i
B t i
B t i
B t i
B
D
D
D
D
~
~
t i
t i
1
0
1
0
D
D
2
2
M
o
u d
(
N
N
N
R
N
N
N
R
N
N
N
N
o l
M
C
A
A
a
a
a
a
a
a
a
a
a
a
0
0
I R
C
e s
m
m
m
m
m
m
m
m
m
m
H
H
) S
e
e
e
e
e
e
e l
e
e
1
e
e
2
t c
t i b
T
T
o c
C
C
C
C
T
T
-
-
N
o c
e h
h
I R
I R
I R
I R
e h
h
0
1
o
m
m
s i
s i
: e t
B
E
e s
e s
m
p
=
=
=
=
x
t i b
s a
t i b
e r
a
e t
b
b
W
, 1
, 1
, 0
, 0
d n
c i
s s
s t i
s t i
d n
d a
a
h
d e
C
C
C
C
p o
d n
o
d e
n e
u j
a
a
R /
R /
R /
R /
r r
e r
e r
r e
x e
t s
C
p o
m
s e
i t a
=
=
=
=
t s
s u
s u
e t
R /
o
r e
o p
: 0
: 1
: 1
: 0
d n
n o
e h
d e
d e
u d
i t a
t i b
s n
d e
R
R
R
R
44
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PT7A6525/6525L/6526 HDLC Controller
c
(
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o t
n o
m
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e
e
e
e
n o
e c
e c
e c
e c
o
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1
o
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t f
r t
(
u d
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v i
v i
v i
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m
l o
m
m
e h
d e
d e
d e
d e
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o
a p
a p
s i
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C
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S
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e
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e
p s
p s
w
m
m
w
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f
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A
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m
m
t i
r o
n o
n o
t c
t h
) 8
f n
a
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m
d e
D
D
D
D
D
D
D
D
D
D
r
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d n
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g e
t
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a
r o
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s e
s e
s e
s e
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m
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r c
r c
r c
r c
r c
r c
r c
r c
r c
i h
r e t
i h
c a
a
p i
p i
p i
p i
p i
p i
u a
p i
p i
p i
p i
h g
h g
o i t
o c
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i t
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d
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n o
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m
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t g
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s s
s s
w
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h
y b
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t e
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H
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