BU92747XXX Datasheet, PDF (1/46 Pages) Rohm – IrDA Controller LSI built-in Ir remote control

Datasheet
IrDA Controller LSI
built-in Ir remote control
BU92747XXX Series
General Description
BU92747XXX series 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.
Features
 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
IrSimple
 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 V_DD=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
Applications
 IrDA transmission control.
 Remote transmission formatter
Key Specifications
 Absolute maximum rating VDD：
-0.3 V to 4.5V
 Power supply voltage：
1.62V to 1.98V
 Input voltage H level：
1.62V ～ 3.6V
 Input clock frequency：
48MHz(within I100ppm)
 Clock input current consumption ： 30mA(Max)
 Standby current：
10μA (Max)
 Operating temperature range：
-40℃ to +85℃
 Allowable loss VBGA048W040： 570mW (Max)
VQFP48C：
900mW (Max)
Package
VBGA048W040
W(Typ.) x D(Typ.) x H(Max.)
4.0mm x 4.0mm x 0.9mm
VQFP48C
9.00mm x 9.00mm x 1.60mm
○Product structure：Silicon monolithic integrated circuit
.www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This product is not designed for protection against radioactive rays
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TSZ02201-0E4E0F100020-1-2
24. June. 2015 Rev.001