IDT82V2052E 查看數據表（PDF） - Integrated Device Technology

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IDT82V2052E

DUAL CHANNEL E1 SHORT HAUL LINE INTERFACE UNIT

Integrated Device Technology 

IDT82V2052E

DUAL CHANNEL E1 SHORT HAUL LINE INTERFACE UNIT

Table-1 Pin Description (Continued)

Name

Type

Pin No.

Description

SDO

O

43 SDO: Serial Data Output

In serial microcontroller interface mode, this signal is the output data of the serial interface. Configuration or Status data at

SDO pin is clocked out of the device on the rising edge of SCLK if SCLKE pin is low, or on the falling edge of SCLK if SCLKE

pin is high.

In parallel non-multiplexed interface mode, this pin should be left open.

LP20

I

D7

I/O

LP21/LP20: loopback mode select for channel 2

See above LP21.

54 D7: Data Bus bit7

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.

D6

I/O

In Hardware mode, this pin has to be tied to GND.

53 D6: Data Bus bit6

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.

D5

I/O

In Hardware mode, this pin has to be tied to GND.

52 D5: Data Bus bit5

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.

D4

I/O

In Hardware mode, this pin has to be tied to GND.

51 D4: Data Bus bit4

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.

PULS1

I

D3

I/O

PULS1: This pin is used to select the following functions for Channel 1 in Hardware control mode:

• Transmit pulse template

• Internal termination impedance (75 Ω / 120 Ω)

Refer to 5 HARDWARE CONTROL PIN SUMMARY for details.

50 D3: Data Bus bit3

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.

D2

I/O

In Hardware mode, this pin has to be tied to GND.

49 D2: Data Bus bit2

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.

D1

I/O

In Hardware mode, this pin has to be tied to GND.

48 D1: Data Bus bit1

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.

In Hardware mode, this pin has to be tied to GND.

PIN DESCRIPTION

13

December 12, 2005

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