BU92747KV Datasheet, PDF (1/5 Pages) Rohm – Silicon Monolithic Integrated Circuit

1/4
Structure





Silicon Monolithic Integrated Circuit
Product Name




Model name





IrDA Controller LSI built-in Ir remote control
BU92747KV
Outer Dimension




Figure 1 Outer Dimensions
Features

ɾData 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





ɾInterface
16-bit data bus , Address A_0-3







ɾBuilt-in 2560 × 2byte FIFO buffer (for transmission and reception)







ɾAccessible as a memory device connected to the bus







ɾPower down mode setting possible for transmission and reception







ɾInput clock of 48MHz for external input clock and crystal input clock
ɾIr remote control function
Serial 2-lines SDA, and SCL
*This LSI chip is not subject to radiation-proof design.
˔Absolute Maximum Rating
Ta=25°C unless otherwise stated
Item
Symbol
Minimum
Supply voltage^*1
V_DD
-0.3
Interface supply voltage1^*1
V_IO1
-0.3
Interface supply voltage2^*1
V_IO2
-0.3
Input voltage^*1
V_IN
-0.3
Power dissipation^*2
Pd
-
Operating temperature range
T_OPR
-40
Storage temperature range
T_STG
-55
*1
It applies to all pins based on the GND pin.
*2 Reduced by 9.0mW for each increase in Ta of 1ˆ over 25ˆ


(mounted on 70.0mm Ê· 70.0mm Ê· 1.6mm Glass-epoxy PCB)
Maximum
2.5
4.5
4.5
V_{IO1, 2}+0.3
900
85
125
˔Operation Range
Item
Symbol
Minimum
Standard
Supply voltage
Interface supply voltage1
Interface supply voltage2^*3
V_DD
1.62
1.8
V_IO1
1.62
1.8
V_IO2
1.62
1.8
*3 V_IO2 is connected with XIN/CLK48M, XOUT, PWDN, NIRQ and RESET.
Maximum
1.98
3.6
3.6
Unit
V
V
V
V
mW
°C
°C
Unit
V
V
V
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. A