Princeton Technology Corp PT2212 Datasheet
Tel : 886-2-29162151
Fax : 886-2-29174598
Princeton Technology Corp
.
URL: http://www.princeton.com.tw
Infrared Remote Control Transmitter PT2212
DESCRIPTION
PT2212 is a remote control transmitter utilizing CMOS Technology specially designed for
infrared remote control applications. PT2212 can support up to 256 command codes and is
functionally compatible with TC9012. Pin assignments and application circuit are optimized for
easy PCB Layout and low cost advantage.
FEATURES
CMOS Technology
❏
Low Power Consumption
❏
Least External Components
❏
Low Voltage Operation
❏
Double Key Operation
❏
Up to 32 Function Keys provided
❏
Up to 8 System Codes
❏
Up to 256 Command Codes
❏
High Efficiency Transmission
❏
Transmission Indication Output Pin provided
❏
APPLICATIONS
Television
❏
VCR
❏
Video Disc
❏
CD Player
❏
AV Controller
❏
Audio Equipment
❏
PT2212 v1.0 Page 1 Updated June 1998
Tel : 886-2-29162151
Fax : 886-2-29174598
Princeton Technology Corp
.
URL: http://www.princeton.com.tw
Infrared Remote Control Transmitter PT2212
BLOCK DIAGRAM
OSCO OSCI
OSCILLATION CIRCUIT
DIVIDING CIRCUIT
TIMING CIRCUIT
SEL
SYSTEM CODE
LATCH CIRCUIT
KEY INPUT CIRCUIT
KI0 KI1 KI2 KI
PIN CONFIGURATION
OUTPUT CIRCUIT
CARRIER GENERA TING CIRCUIT
CONTROL CIRCUIT
KEY SCAN OUTPUT CIRCUIT
3
KO0 KO1 KO2 KO3 KO4 KO5 KO6 KO
DOUT
DATA REGISTER
LMP
VSS
VDD
7
PT2212 v1.0 Page 2 Updated June 1998
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