PDF资料描述
The AT89C55WD is a low-power, high-performance CMOS 8-bit microcontroller with20K bytes of Flash programmable read only memory and 256 bytes of RAM Thedevice is manufactured using Atmel’s high-density nonvolatile memory technology andis compatible with the industry standard 80C51 and 80C52 instruction set and pinout, LIST/472written to the cable driver amplifier comes from the AD9873gain control register associated with the current profile4 Write to AD9873 Cable Driver Amplifier Control Registers –The AD9873 will write gain control data associated with the, LIST/472C0068 Interchangeable With National DS3695 andDS3695AdescriptionThe TL3695 differential bus transceiver is designed for bidirectional data communication on multipoint, LIST/472The FLI2301 is a highly integrated digital video format converter for progressive scan DVD and STB applications using patented deinterlacing and post processing algorithms from Faroudja, LIST/472bypassed near the devices; 01 μF will be sufficient since theAD561 runs at constant supply current regardless of input codePOWER SUPPLY SELECTIONThe AD561 will operate over a wide range of power supply, LIST/472The TVP5150 detects copy protected input signals according to Macrovision standardThe main blocks of the TVP5150 include: A/D converter with analog processor Y/C separation, LIST/472The MC74VHC1G53 is compatible in function to a single gate of theHigh Speed CMOS MC74VHC4053 and the metal–gate CMOSMC14053 The device has been designed so that the ON resistances(R, LIST/472Frequency RT = 10k, CT = 1nF (UC3886) 90 100 110 kHzRT = 10k, CT = 1nF (UC2886, UC1886) 85 115 kHzFrequency Change With Voltage 11V > VCC > 15V 1 %CT Peak Voltage 26 28 V, LIST/4721999 Sep 29 3Philips Semiconductors Product specificationQuad buffer/line driver; 3-state 74AHC126; 74AHCT126ORDERING INFORMATION, LIST/472TXD I Serial input port to 73M2910L from DTE same as RXD UART inputRXD O Serial output port of 73M2910L UART to DTEPTXCLK I Input clock used to transmit data PTXDPTXD O HDLC Packetizer TX output This pin can also be programmed to the DTE’s, LIST/472
