hsdl-3021 ETC-unknow, hsdl-3021 Datasheet - Page 3

• Manufacturer Part Number: hsdl-3021
• Description: Irda Data Compliant Low Power 4.0 Mbit/s With Remote Control Infrared Transceiver
• Manufacturer: ETC-unknow

3
I/O Pins Configuration Table
Pin
1
2
3
4
5
6
7
8
–
Notes:
1. Tied through external resistor, R2, to Vled. Refer to the table below for recommended series resistor value.
2. Connect to ASIC logic controller supply voltage or V
3. This pin is used to transmit serial data when SD pin is low. If held high for longer than 50 s, the LED is turned off. Do NOT float this pin.
4. This pin is capable of driving a standard CMOS or TTL load. No external pull-up or pull-down resistor is required. The pin is in tri-state when the
5. Complete shutdown of IC and PIN diode. The pin is used for setting IR receiver bandwidth, range of IR LED current and RC drive programming mode.
6. Regulated, 2.4 V to 3.6 V.
7. Logic high turns on the RC LED. If held high longer than 50 s, the RC LED is turned off. Do NOT float the pin.
8. Connect to system ground.
9. Connect to system ground via a low inductance trace. For best performance, do not connect directly to the transceiver GND pin.
Recommended Application Circuit Components
Component
R1
R2
CX1, CX3, CX5
CX2, CX4
Note:
1. CX1, CX2, CX3 & CX4 must be placed within 0.7 cm of HSDL-3021 to obtain optimum noise
transceiver is in shutdown mode.
Refer to section on “Bandwidth Selection Timing” and “Remote Control Drive Modes” for more information. Do NOT float this pin. ***
immunity.
CAUTIONS: The BiCMOS inherent to the design of this component increases the component’s
susceptibility to damage from electrostatic discharge (ESD). It is advised that normal static
precautions be taken in handling and assembly of this component to prevent damage and/or
degradation which may be induced by ESD.
Symbol
LEDA
IOV
TxD_IR
RxD
SD
V
TxD_RC
GND
Shield
CC
CC
Recommended Value
4.7 , 5%, 0.25 watt
2.7 , for 2.4 < VLED 2.7 V;
3.3 , for 2.7 < VLED 3.0 V
3.9 , for 3.0 < VLED 3.3 V
4.7 , for 3.3 < VLED 3.6 V
5.6 , for 3.6 < VLED 4.2 V
10 , for 4.2 < VLED 5 V
100 nF, 20%, X7R Ceramic
4.7 F, 20%, Tantalum
Description
LED Anode
Input/Output ASIC Voltage
IrDA Transmitter Data Input
IrDA Receive Data
Shutdown
Supply Voltage
RC Transmitter Data Input
Ground
EMI shield
CC
. The voltage at this pin should be equal to or less than V
Note
1
1
I/O Type
Input. Active High
Output. Active Low
Input. Active High
Input. Active High
CC
.
Notes
Note 1
Note 2
Note 3
Note 4
Note 5
Note 6
Note 7
Note 8
Note 9