XRT72L58 Datasheet, PDF (37/486 Pages) Exar Corporation – EIGHT CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER

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PRELIMINARY
XRT72L58
EIGHT CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
REV. P1.1.2
PIN DESCRIPTION FOR THE XRT72L58
PIN #
L23
L24
L25
L26
M1
M2
M3
M4
M11
M12
M13
M14
M15
M16
M23
M24
PIN NAME
D(3)
D(2)
D(1)
D(0)
RxNEG[5]
RxPOS[5]
RxLineClk[5]
TxFrameRef[5]
VDD
VDD
GND
GND
VDD
VDD
NC
A(0)
M25
A(1)
M26
A(2)
N1
RxLineClk[2]
N2
TxInClk[2]
N3
RxNEG[2]
N4
RxPOS[2]
N11
VDD
N12
VDD
N13
GND
N14
GND
N15
VDD
N16
VDD
N23
A(3)
N24
A(4)
N25
A(5)
TYPE
I/O
I/O
I/O
I/O
I
I
I
I
****
****
****
****
****
****
See Description of Pin K23
See Description of Pin K23
See Description of Pin K23
See Description of Pin K23
See Description of Pin F3
See Description of Pin G4
See Description of Pin G3
See Description of Pin H1
Power Supply 3.3V + 5%
Power Supply 3.3V + 5%
Ground
Ground
Power Supply 3.3V + 5%
Power Supply 3.3V + 5%
DESCRIPTION
I
Address Bus Input (Microprocessor Interface) - LSB (Least Significant
Bit):
See Description of Pin R26
I
See Description of Pin R26
I
See Description of Pin R26
I
See Description of Pin G3
I
See Description of Pin G2
I
See Description of Pin F3
I
See Description of Pin G4
**** Power Supply 3.3V + 5%
**** Power Supply 3.3V + 5%
**** Ground
**** Ground
**** Power Supply 3.3V + 5%
**** Power Supply 3.3V + 5%
I
See Description of Pin R26
I
See Description of Pin R26
I
See Description of Pin R26
18