BU92001KN-E2 Datasheet BU92001KN-E2 | P1-P3

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Status of this document

The Japanese version of this document is the formal specification.

A customer may use this translation version only for a reference to help reading the formal version.

If there are any differences in translation version of this document, formal version takes priority.

REV. B

Structure Silicon Monolithic Integrated Circuit

Product IrDA SIR Encoder / Decoder

Type BU92001KN

Dimensions diagram : Figure-2

Block diagram : Figure-3

Function IrDA Controller

1. UART interface

2. IrDA SIR Encode / Decode function

3. Communication rate of 2.4k∼115.2kbps

4. V

=2.5∼3.5V ( Power supply voltage range)

note) The IC isn't designed for endurance of the radiation.

Absolute maximum ratings (Ta=25°C)

Parameter Symbol Limits Units

Supply Voltage

Vmax 4.5

Input Voltage

Vin

-0.3∼VDD+0.3

Operation Temperature

Topr

-25∼85 ℃

Storage Temperature

Tstg

-40∼100 ℃

*1) This applies to all pins basis ground pin(9pin).

Recommended Operating Conditions

Parameter Symbol Min. Typ. Max Units

Supply Voltage VDD 2.5 3.0 3.5 V

Clock frequency fCLK 24.0 27.8 30.0 MHz

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REV. B

・Electrical characteristics (Ta=25°C, VDD=3.0V, GND=0V)

Parameter Symbol MIN TYP MAX Units Condition

Consumption Current1 IDD1 - 0.1 3.0 uA All the input 0V, Output load-less

Consumption Current2 IDD2 - 2.0 4.0 mA

Input PIN=0V, CLK=27.8MHz,

Output load-less

High level input voltage VIH

0.8×VDD

- - V

Low level input voltage VIL - -

0.2×VDD

High level input current IIH - - 10 uA

Low level input current IIL - - 10 uA

High level output voltage VOH1 VDD-0.6 - - V

IOH=−1mA

Low level output voltage VOL1 - - 0.6 V IOL=1mA

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REV. B

・Dimensions Diagram (VQFN20)

Note) The dotted line part is not recommend mounting.

・Pin Descriptions

・Terminal equivalent circuit diagram

Pin No. Terminal Name I/O Function Terminal Equivalent Circuit

1 U_TXD I UART TXD signal input B

2 U_RXD O UART TXD signal output A

3 - - N.C -

4 BRSET I Setup of baud rate (active Hi) B

5 CLK I Clock input (27.8MHz) B

6 - - N.C -

7 CLKSEL0 I Input clock selection B

8 CLKSEL1 I Input clock selection B

9 GND - Ground -

10 - - N.C -

11 CLK47OUT 0 The 1/47 clock output of the clock input A

12 CLK2OUT 0 The 1/2 clock output of the clock input A

13 - - N.C -

14 IR_RXD I IrDA RXD signal input B

15 IR_TXD O IrDA TXD signal output A

16 - - N.C -

17 VDD - Power supply voltage (2.5V∼3.5V) -

18 RST I Reset input (active Hi) B

19 - - N.C -

20 - - N.C -

Fig.1 (Units:mm)

P1-P3 P4-P5

BU92001KN-E2

Mfr. #:

Buy BU92001KN-E2

Manufacturer:

Description:

Interface - CODECs IrDA ENCODER/DECODER

Lifecycle:

New from this manufacturer.

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BU92001KN-E2