BU92002GU Datasheet, PDF (2/2 Pages) Rohm – IrDA SIR, FIR Controller IC

Recommended Operating Conditions (Ta=25˚C)
Parameter
Symbol Min. Typ. Max. Unit
Power supply voltage
VDD
1.62
1.8
1.98
V
Interface power supply voltage VIO
1.62
3.0
3.6
V
Electrical characteristics (Unless otherwise noted; Ta=25˚C, VDD=1.8V)
Parameter
Symbol Min. Typ. Max. Unit
Current consumption 1
IDD1
–
0.1
3.0
mA
Current consumption 2
IDD2
–
5.0
10.0
mA
Digital high level input voltage
VIH
–
–
V
Digital low level input voltage
VIL
–
–
V
Digital high level input current
IIH
–
–
10
mA
Digital low level input current
IIL
–
–
10
mA
Digital high level output voltage VOH VIO-0.6 –
–
V
Digital low level output voltage
VOL
–
–
0.6
V
Conditions
No output load, All inputs=0V
CLK=48MHz
Input voltage=VIO
Input voltage=GND
IOH=-1mA
IOL=1mA
Application Circuit
D0~15
A1~3
CS
RD
WR
INTR
RESET
PWDN
XIN / CLK48M
XOUT
16
Register control
/status
CPU
16
I/F
Receiver shift
register
(S/P)
16
16 Transmitter-
receiver
16 ^{FIFO buffer}
16
Transmitter
shift register
(P/S)
Crystal I/F
Baud rate
generator
VDD
CRC
DEC
CRC
ENC
SIR(115kbps)
Asynchronous
DEC
3/16 DEM
FIR(4Mbps)
4PPM DEC Preamble/ Flag detection
IrDA
PWDOWN
RPM971etc.
IrRX
VCC
GND
SIR(115kbps)
Asynchronous
ENC
3/16 MOD
FIR(4Mbps)
4PPM ENC ^{Preamble/ Flag insertion}
IrTX
GND