IDT82V2082
DUAL CHANNEL T1/E1/J1 LONG HAUL/SHORT HAUL LINE INTERFACE UNIT
Table-1 Pin Description (Continued)
Name
D0
Type TQFP80 FPBGA81
Pin No. Pin No.
Description
I/O
47
F7 D0: Data Bus bit0
In Intel/Motorola non-multiplexed interface mode, this signal is the bi-directional data bus of the microcontroller interface.
In serial microcontroller interface mode, this pin should be connected to ground through a 10 kΩ resistor.
PULS20 I
See above.
A5
I
60
A9 A5: Address Bus bit5
In Intel/Motorola non-multiplexed interface mode, this signal is the address bus of the microcontroller interface.
In serial microcontroller interface mode, this pin should be connected to ground.
EQ2
EQ2: Equalizer on/off for receiver2 in hardware control mode
0= short haul (10 dB)
1= long haul (36 dB for T1/J1, 43 dB for E1)
A4
I
59
B9 A4: Address Bus bit4
In Intel/Motorola non-multiplexed interface mode, this signal is the address bus of the microcontroller interface.
In serial microcontroller interface mode, this pin should be connected to ground.
RPD2
RPD2: Power down control for receiver2 in hardware control mode
0= receiver 2 normal operation
1= receiver 2 power down
A3
I
58
C8 A3: Address Bus bit3
In Intel/Motorola non-multiplexed interface mode, this signal is the address bus of the microcontroller interface.
In serial microcontroller interface mode, this pin should be connected to ground.
EQ1
EQ1: Equalizer on/off for receiver1 in hardware control mode
0= short haul (10 dB)
1= long haul (36 dB for T1/J1, 43 dB for E1)
A2
I
57
D7 A2: Address Bus bit2
In Intel/Motorola non-multiplexed interface mode, this signal is the address bus of the microcontroller interface.
In serial microcontroller interface mode, this pin should be connected to ground.
RPD1
RPD1: Power down control for receiver1 in hardware control mode
0= receiver 1 normal operation
1= receiver 1 power down
A1
I
56
E6 A1: Address Bus bit1
In Intel/Motorola non-multiplexed interface mode, this signal is the address bus of the microcontroller interface.
In serial microcontroller interface mode, this pin should be connected to ground.
PATT21
PATT21/PATT20: Transmit pattern select for channel 2
In hardware control mode, this pin selects the transmit pattern
00 = normal
01= All Ones
10= PRBS
11= transmitter power down
A0
I
55
C9 A0: Address Bus bit 0
In Intel/Motorola non-multiplexed interface mode, this signal is the address bus of the microcontroller interface.
In serial microcontroller interface mode, this pin should be connected to ground.
PATT20
See above
PIN DESCRIPTION
16
May 4, 2009