MT8952BP1 Zarlink, MT8952BP1 Datasheet - Page 15

• Manufacturer Part Number: MT8952BP1
• Description: PB FREE HDLC CONTROLLER, PLCC
• Manufacturer: Zarlink

communication between RS232-C type terminals. It
is possible to use the HDLC protocol on B1 and B2
channels to provide the error detection.
M
I
C
R
O
P
R
O
C
E
S
S
O
R
M
I
C
R
O
P
R
O
C
E
S
S
O
R
B-CHANNELS (2 X 64 kbits/sec Max)
D0-D7
A0-A3
D0-D7
A0-A3
Primary Terminal End
R/W
RST
IRQ
WD
Secondary Terminal End
RST
B-CHANNELS (2 X 64 kbits/sec Max)
R/W
CS
IRQ
WD
CS
E
E
Figure 16 - HDLC Protocol Controller at the Secondary End of the Link
Figure 15 - HDLC Protocol Controller at the Primary End of the Link
HDLC PROTOCOL
HDLC PROTOCOL
F0i
CONTROLLER
F0i
CONTROLLER
MT8952B
MT8952B
CKi
CKi
CDSTo
CDSTi
CDSTo
CDSTi
This can be done by using a separate MT8952B
enabled appropriately to shift out the formatted data
during channels 2 and 3 or by multiplexing the same
MT8952B between B- and D- channels.
Network Interface
DSTo
Network Interface
DSTo
DSTi
DSTi
C4
F0
C4
F0
MS0
0
MS0
0
INTERFACE
INTERFACE
NETWORK
NETWORK
CIRCUIT
MT8972
DIGITAL
CIRCUIT
DIGITAL
MT8972
ISO-CMOS
MS1
0
MS1
0
MS2
1
MS2
0
(160 kbits/sec)
MT8952B
(160 kbits/sec)
Network
Network
WIRE PAIR
TWISTED
WIRE PAIR
TWISTED
TO
TO
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