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IrDA Controller LSI built-in Ir remote control - BU92747KV

BU92747KV is IrDA controller LSI built-in Ir remote control. Compatible with IrDA Physical layer version 1.0, 1.1, 1.2, 1.3, transmission control is possible between 2.4kbps to 4Mbps. Built-in remote transmission formatter. Infrared transmission formatter that compatible with each maker’s formats is possible.

* This product is a STANDARD grade product and not recommend for on-vehicle devices.
Part Number | BU92747KV-E2
Status | Active
Package | VQFP48C
Unit Quantity | 1500
Minimum Package Quantity | 1500
Packing Type | Taping
RoHS | Yes


Data Rates [Mbps]

2.4k, 9.6k, 19.2k, 38.4k, 57.6k, 115.2k, 0.576M, 1.152M, 4M

Clock frequency (Min.)[MHz]


Clock frequency (Max.)[MHz]



Parallel BUS (16bit)

Operating Temperature (Min.)[°C]


Operating Temperature (Max.)[°C]



  • Data transfer speed (bps)
    IrDA SIR: 2.4kbps, 9.6kbps, 19.2kbps, 38.4kbps, 57.6kbps and 115.2kbps
    IrDA MIR: 0.576Mbps, 1.152Mbps
    IrDA FIR: 4Mbps
  • Detection, removal and insertion of preamble,
    start flag and stop flag in FIR mode
  • Detection, removal and insertion of start flag
    and stop flag in MIR mode
  • Detection and occurrence of CRC
  • Interface 16-bit data bus
    Interrupt INTR (IrDA controller)
    Address A0-3
    Control signals CS, RD and WR
  • Built-in 2560 × 2byte FIFO buffer
    (for transmission and reception)
  • Accessible as a memory device connected to the bus
  • Power down mode setting possible for transmission and reception
  • Operation at VDD=1.62 to 1.98V
  • Input clock of 48MHz for external input clock
    or crystal input clock
  • Ir remote control function
    Serial 2-lines SDA, and SCL
    Programmable carrier frequency
    Programmable length of header
    Programmable length of data Hi
    Programmable length of data Lo
    Programmable length of end part
    Programmable arbitrary length of output data bit
    Programmable frame
    Continuous data transmission
    Interrupt function NIRQ