WJLXT384LE.B1-868635 Cortina Systems Inc, WJLXT384LE.B1-868635 Datasheet - Page 18

• Manufacturer Part Number: WJLXT384LE.B1-868635
• Manufacturer: Cortina Systems Inc

Specifications of WJLXT384LE.B1-868635

• Screening Level: Industrial
• Mounting: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Compliant

LXT384 Transceiver
Datasheet
248994, Revision 6.0
30 January 2008
4.0
4.1
Table 2
Table 3
Cortina Systems
QFP
Pin
12
13
14
15
16
PBGA
Ball
G3
F4
F3
F2
F1
Multi-Function Pins
The LXT384 Transceiver has several pins that have more than one name and more than
one function, depending on the mode selected. This chapter lists the multi-function pins.
Descriptions of signal functions are in
Operating Mode Multi-Function Pins
Table 2
operating modes for the LXT384 Transceiver.
Operating Mode Selections
Table 3
on the specific operating mode selected. When the operating mode selected is the:
Operating Mode-Specific Signal Names
®
Signal
1. Hardware Mode
Name
• Hardware mode, Column 1 names and functions apply.
• Host Processor mode with a parallel interface and the MOT/INTL pin is:
• Host Processor mode with a serial interface, Column 4 names and functions apply to
LXT384 Octal T1/E1/J1 Short-Haul PCM Transceiver with Jitter Attenuation (JA)
MODE
VCC/2
A4
A3
A2
A1
A0
High
High
Low
— Low, Column 2 names and functions apply to a Motorola* processor with a parallel
— High, Column 3 names and functions apply to an Intel* processor with a parallel
either a Motorola* processor or an Intel* processor used with a serial interface.
Pin Settings
lists the MODE and MOT/INTL pin setting combinations that control the selection of
lists LXT384 Transceiver pins that have different names and functions depending
interface.
interface.
Must
connect to
ground
Use for
perfor-
mance
moni-
toring
Function
Signal
Connect either
low or high
Connect either
low or high
MOT/INTL
High
Low
2. Parallel Interface -
Signal
Name
Motorola* Processor
A4
A3
A2
A1
A0
Hardware mode
Host Processor mode - Motorola* processor parallel interface
Host Processor mode - Intel* processor parallel interface
Host Processor mode - Serial interface
Function
Address
Address
Signal
select
select
Host Processor Mode
Section 5.0, Signal
Operating Mode Selected
3. Parallel Interface -
Signal
Name
A4
A3
A2
A1
A0
Intel* Processor
TM
TM
Descriptions.
Function
Address
Address
Signal
select
select
4.0 Multi-Function Pins
4. Serial Interface -
Signal
Name
Motorola* or Intel*
A4
A3
A2
A1
A0
Processor
No connect
No connect
Function
Signal
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