PRELIMINARY
PM4318 OCTLIU
DATASHEET
PMC- 2001578
ISSUE 3
OCTAL E1/T1/J1 LINE INTERFACE DEVICE
Pin Name
Type
Pin
No.
Function
LEN1[0]/A[0]
LEN1[1]/A[1]
LEN1[2]/A[2]
Input
E22
E21
E20
Line Length Build-out Select (LENn[2:0]). These signals can be
preset to select one of eight different pulse templates to be used
by the line transmitters, depending on line length, etc. LENn[2:0]
selects the pulse template for the line transmitter of octant #n.
LEN2[0]/A[3]
LEN2[1]/A[4]
LEN2[2]/A[5]
F19
D22
D21
LENn[2:0] share the same pins as the microprocessor interface
signals. LENn[2:0] are selected when HW_ONLY is tied high.
LEN3[0]/A[6]
LEN3[1]/A[7]
LEN3[2]/A[8]
D20
E19
C22
The LENn[2:0] inputs are latched following reset of the OCTLIU
and any changes to their value will have no effect on the
operation of OCTLIU until a subsequent reset.
LEN4[0]/A[9]
LEN4[1]/A[10]
LEN4[2]/ALE
C21
C20
A22
LEN5[0]/WRB
LEN5[1]/RDB
LEN5[2]/CSB
D18
C19
B20
LEN6[0]/INTB
LEN6[1]/D[0]
LEN6[2]/D[1]
D17
B19
A20
LEN7[0]/D[2]
LEN7[1]/D[3]
LEN7[2]/D[4]
A19
B18
A18
LEN8[0]/D[5]
LEN8[1]/D[6]
LEN8[2]/D[7]
D15
B17
C15
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
27
PMC [ PMC-SIERRA, INC ]
