Features
•• Adds IR port to standard UART
•• IrDA, HPSIR, ASK (CW) & TV remote
compatible
•• 1200bps to 115kbps data rate
•• Programmable Tx LED power
•• Programmable Rx threshold level
•• Power down modes
•• Direct, no modulation, mode
•• Tiny 5x7mm 20 pin SSOP package
•• +2.7V to +5.5V supply
General Description
The CS8130 is an infrared transceiver integrated cir-
cuit. The receive channel includes on-chip high gain
PIN diode amplifier, IrDA, HPSIR, ASK & TV remote
compatible decoder, and data pulse stretcher. The
transmit path includes IrDA, HPSIR, ASK & TV remote
compatible encoder, and LED driver. The computer
data port is standard UART TxD and RxD compatible,
and operates from 1200 to 115200 baud.
External PIN diode and transmit LED are required. A
control mode is provided to allow easy UART program-
ming of different modes.
The CS8130 operates from power supplies of +2.7V to
+5.5V.
Ordering Information:
CS8130-CS
0
° to 70°C
20-pin SSOP
CDB8130 Evaluation kit
Multi-Standard Infrared Transceiver
Semiconductor Corporation
This document contains information for a new product. Crystal
Semiconductor reserves the right to modify this product without notice.
Preliminary Product Information
JUN ’94
DS134PP2
1
Crystal Semiconductor Corporation
P.O. Box 17847, Austin, TX 78760
(512) 445-7222 FAX: (512) 445-7581
Copyright
© Crystal
Semiconductor Corporation 1994
(All Rights Reserved)
CS8130
PIN Diode
Preamplifier
PINC
PINA
Threshold
Detect/Decode
Demodulator
UART
RxD
RXD
LED
Driver 1
LED1C
Modulator
Data/Control
Decoder
TxD
TXD
DTR
Baud Rate
Generator
XTALOUT
XTALIN
+Supply
+Supply
LED
Driver 2
LED2C
EXTCLK
CTS
FORM/BSY
RESET
6
7
1
4
TGND2
TGND1
3
2
CLKFR
5
AGND
19
17
18
9
11
10
15
14
16
13
STANDARD
FIFO
VA+
8
+Supply
VD+
12
DGND
20
PWRDN
D/C
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