3D Active Shutter Glasses IC
WT6972F
【 General Description 】 |
This chip is a high integration SOC dedicated for 3D shutter glasses and it includes 1T 8051 MCU, DC/DC, high voltage driving circuitry up to +20v for TN/STN LC glasses, battery charger, and IR. |
【 Features 】 | |
● | Embedded turbo 1T 8051 CPU with |
-Internal high-speed RC oscillator 12/6/2/1Mhz (precision +/- 3%) | |
-External 32khz crystal oscillator (to calibrate RC OSC to +/- 1% ) | |
● | Memory : |
-Flash memory: 16K Bytes | |
-RAM: 512 Bytes | |
● | Turbo 8052 Timer0, Timer1 |
● | Watchdog timer |
● | Universal IR receiver function |
● | Photo-sensor receiver/amplifier (UG400 only) |
● | Embedded ISP function and ICE mode |
● | Power on reset, Low VDD reset, and low VDD detector |
● | Wide operating voltage: 2.8V ~ 4.7V (for lithium ion battery 2.8v~4.2v) |
● | Embedded DC/DC converts 2.8V ~ 4.7V input voltage to +20v output |
● | Direct +20v driving shutter glasses STN |
● | Battery charge through mini USB port |
● | Operating temperature : -40℃ to + 85 ℃ |
● | ESD Protection HBM>4kv, MM>400 |
● | Package type: QFN 40 pin |
● | 3 operation modes : |
-Normal mode : 3.3v : Typical 4.3mA @12MHz system clock (Including DC/DC) | |
-Idle mode : 3.3v : 100uA | |
-Stop mode : 3.3v : 10uA |