AT&T 3B2/300 Technical Reference Manual page 463

FUNCTIONAL D E S C R I P T I O N - - - - - - - - - - - - - - - - - - - - - - - - - -
CM195H CARTRIDGE TAPE CONTROLLER
PERIPHERAL INPUT/OUTPUT BUS INTERFACE
(BACKPLANE CONNECTOR)
14
,
SK X 16
80186 CPU
20
READ ONLY
AND
, 11?,
MEMORY
MISCELLANEOUS
.
,
LOGIC CIRCUITS
16
-
,
- .
o ID/VECTOR
I
DATA
I
REGISTER
TRANSCEIVERS
o PAGE REGISTER
o PCSR
~
I
ADDRESS
I
BUFFER
16
64K X 16
.
DYNAMIC RANDOM
,
ACCESS MEMORY
~
ADDRESS
I_
LATCH
I
I
8 .
9517 OMA
,
CONTROLLER
8 .
-
,
ADDRESS DATA
BITS 19-00[1 J
BITS 15-00[1]
r
---------------- ---------- -------------------,
CARTRIDGE TAPE/FLOPPY
DISK INTERFACE
f
WD 2793 FLOPPY DISK DISK CONTROLLER
14 , CONTROL DATA
'
DATA AND CONTROL
DRIVER/RECEIVER CIRCUITS
~
CONTROL
DATA
I~
34-PIN DATA AND CONTROL CONNECTOR
L----------------------------------------------~
Figure 3-65: CMl 95H CTC Card - Functional Block Diagram
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