XRT86L30
REV. 1.0.1
SINGLE T1/E1/J1 FRAMER/LIU COMBO
MICROPROCESSOR INTERFACE
(Framer Channel Number indicated by )
S
IGNAL
NAME
P
IN
#
TYPE
DESCRIPTION
PTYPE0
PTYPE1
PTYPE2
127
126
125
I
Microprocessor Type Input:
These input pins permit the user to specify which type of Microprocessor/Micro-
controller to be interfaced the Framer.
MICROPROCESSOR
TYPE
0
0
1
0
0
0
0
1
1
68HC11, 8051, 80C188
MOTOROLA 68K
IBM POWER PC 403
RDY
74
O
Ready/Data Transfer Acknowledge Output:
The exact behavior of this pin depends upon which Microprocessor the Framer
is configured to interface to:
Intel Type Microprocessors
This output pin toggles "Low" when the Framer is ready to respond to the cur-
rent PIO (Programmed I/O) or Burst Transaction.
Motorola Type Microprocessors
This output pin toggles "Low" when the Framer has completed the current bus
cycle.
ADDR0
ADDR1
ADDR2
ADDR3
ADDR4
ADDR5
ADDR6
ADDR7
ADDR8
ADDR9
ADDR10
ADDR11
75
76
77
79
80
81
82
84
89
94
95
97
I
Microprocessor Interface Address Bus Input
ADDR[11:0] is a direct address bus for permitting access to internal registers for
read and write operations.
DBEN
73
I
I
Data Bus Enable Input pin.
This Active-Low pin is used to enable the bi-directional databus. To disable the
databus, this pin must be pulled “High”.
ALE
93
Address Latch Enable Input_Address Strobe
18
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