PT7A6632J PERICOM [Pericom Semiconductor Corporation], PT7A6632J Datasheet - Page 13

• Manufacturer Part Number: PT7A6632J
• Description: PT7A6632 32-Channel HDLC Controller
• Manufacturer: PERICOM [Pericom Semiconductor Corporation]

Hyperchannel
Three standard ISDN hyperchannel options (two for T1, one
for CEPT PCM-30) are available by setting HCS0 and HCS1
as well as T1/CEPT pins. See Table 3 and Figure 11.
PT019(05/02)
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Table 3. Hyperchannel Selection
Figure 11. Standard Hyperchannel Provisory
T
T
T
T
T
1
1
1
1
1
CH 00000
C /
C /
C /
C /
C /
x
0
x
0
1
1
E
E
E
E
E
TS 0,
P
P
P
P
P
Note:
Grouping of 64kb/s channels into standard hyperchannels is fixed as shown. Time-slot assignments can be
changed (when HCS1 HCS0 = 00) to create flexible hyperchannels by programming command buffers.
T
T
T
T
T
H12
CH 00001
F 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 S 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
F 1
H
H
H
H
H
C
C
C
C
C
0
0
0
1
1
1
S
S
S
S
S
Framing Time-Slot (8 bits)
H11
1
1
1
1
1
H0
Data Channel (8 Bits) (Typ.)
TS 1, CH 00001
F 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
F 1
F 1
H
H
H
H
H
C
C
C
C
C
0
0
0
1
1
1
S
S
S
S
S
0
0
0
0
0
A
o F
i S
i S
n o
R
R
s e
s e
l l
g n
g n
. y l
r u
r e
r e
h c
e l
e l
h c
e v
e v
n a
c
c
n a
. d
. d
a h
a h
e n
2
e n
n n
n n
CEPT PCM-30 Mode
s l
s l
l e
l e
a
e r
f o
f o
f o
CH 00010
4 6
8 3
T1 Mode
1
. 1
13
b k
5 .
PT7A6632 32-Channel HDLC Controller
k 4
2 9
8 3
s /
All channels can also be randomly grouped into flexible
hyperchannel (with HCS0 HCS1 = 00). A hyperchannel can
contains any number of 64kb/s channels. Details is illustrated
in “External Memory Organization and Definition” and Table
10.
/ b
M
( .
M
( s
/ b
l F
/ b
( s
H
S 1
x e
( s
0
H
3
. )
b i
H
2 1
Signaling Channel (8 bits)
e l
V
1 1
C
C
C
C
C
. )
l a
h
h
h
h
h
h
. )
TS 17, CH 10001
d i
n a
n a
n a
i T
n a
n a
p y
V
m
TS 16, CH 10000
f
n
n
n
r e
n
n
l a
r o
l e
l e
l e
l e
l e
e
d i
h c
s -
T
S
S
S
S
S
n a
o l
f
1
l e
l e
l e
l e
l e
r o
s t
e n
n o
c e
c e
c e
c e
c e
T
0
c l
i t
i t
i t
i t
i t
TS 1, CH 00001
. y l
1
a
n o
n o
n o
n o
n o
4
n a
n o
d n
CH 11000
. y l
e b
6 1
r p
a
TS 31, CH 11111
e r
g o
1536 kb/s
384 kb/s
a r
4 6
64kb/s
m
b k
m
. s /
Data Sheet
e
) d
V
l a
1920 kb/s
d i
64kb/s
f
r o
C
E
Ver:2
P
T