8XC51SL

8XC51SL LOW VOLTAGE 8XC51SL KEYBOARD CONTROLLER 80C51SL 81C51SL CPU with RAM and I O VCC e 5V g 10% 16K ROM Preprogrammed with SystemSoft Keyboard Controller and Scanner Firmware VCC e 5V g 10% 83C51SL 16K Factory Programmed ROM VCC e 5V g 10% 87C51SL 16K OTP ROM VCC e 5V g 10% Low Voltage 80C51SL CPU with RAM and I O VCC e 3 3V g 0 3V Low Voltage 81C51SL 16K ROM Preprogrammed with SystemSoft Keyboard Controller and Scanner Firmware VCC e 3 3V g 0 3V Low Voltage 83C51SL 16K Factory Programmed ROM VCC e 3 3V g 0 3V Low Voltage 87C51SL 16K OTP ROM VCC e 3 3V g 0 3V Proliferation of 8051 Architecture Complete 8042 Keyboard Control Functionality 8042 Style Host Interface Optional Hardware Speedup of GATEA20 and RCL Local 16 x 8 Keyboard Switch Matrix Support Two Industry Standard Serial Keyboard Interfaces Supported via Four High Drive Outputs 5 LED Drivers Low Power CHMOS Technology Y Y Y Y 4-Channel 8-Bit A D Interface for up to 32 Kbytes of External Memory Slew Rate Controlled I O Buffers Used to Minimize Noise 256 Bytes Data RAM Three Multifunction I O Ports 10 Interrupt Sources with 6 UserDefinable External Interrupts 2 MHz–16 MHz Clock Frequency 100-Pin PQFP (8XC51SL) 100-Pin SQFP (Low Voltage 8XC51SL) Y Y Y Y Y Y Y Y Y Y Y Y The 8XC51SL based on Intel’s industry-standard MCS 51 microcontroller family is designed for keyboard control in laptop and notebook PCs The highly integrated keyboard controller incorporates an 8042-style UPI host interface with expanded mem...