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| W99132EX / W99132E / W99132P VCD CONTROLLER GENERAL DESCRIPTION The W99132 is a VCD microcontroller with standard 80C32 core. It contains embedded 12KB SRAM without external memory anymore. It provides improved peripheral function as to communicate with other components conveniently. And a porgrammable Watchdog Timer is dedicated to supervising the system. It also support Remote Control Receiver to sense user command more rapidly and correctly. Additional direct block move operation with auto-increment on source or destination address provide an efficient data move ability. W99132 Functional Block Following figure shows the function block of W99132 TIMER0~ TIMER2 UART WATCHDOG TIMER /INT0, IR /INT1 Interupt 12K Bytes SRAM 256 Bytes RAM Serial Port TXD RXD RST CPU FEATURES * 8-Bit CMOS microcontroller * Up to 50 MHz operation * Additional instructions of memory to memory move with two 16-bit Data Pointers * 256-byte Scratchpad RAM * 12k-byte data memory embedded * 64k-byte address space for external Program Memory * 64k-byte address space for external Data Memory * Three 16-bit timer/counter, the timer0 clock can be programmed * Four 8-bit bidirectional ports * A Seven-source interrupt structure with two priority levels * An additional a programmable watchdog timer * One enhanced programmable full duplex serial port * NEC, PHILIPS and SANYO format remote control receiver * Power-on reset * Built-in power-saving modes - Idle mode & Power-down mode * An additional system Clock Output (W99132E, W99132P) * Operating voltage 4.5V ~ 5.5V * 40-pin DIP package (W99132EX, W99132E) 44-pin PLCC package (W99132P) CLKOUT OSC Bus Expantion Control I/O Port Timer/ Counter XTAL1 XTAL2 /WR /RD ALE /PSEN P0 P1 P2 P3 T0 T1 T2 APPLICATIONS l l l VCD player DVD player Multimedia system The following figure shows a typical VCD player connection diagram of W99132 EEPROM W27E010-70 DRAM 256kX16-70ns TV Encoder W9952QP IR UI VCD Controller W99132 MPEG Decoder W9925QF Servo Audio DAC Winbond Corporate Headquarters Tel : 886-3-5790666 Fax : 886-3-5796139 Taipei Sales Office Winbond Electronics North America Corp. Tel : 886-2-27190505 Tel : 1-408-943666 Fax : 886-2-27197502 Fax : 1-408-9436668 Winbond Electronics H.K. Ltd. Tel : 852-27513100 Fax : 852-27552064 June 1998 Details are subject to change without notice. All trade marks are property of their respective holders. |
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