FDC87W22 查看數據表（PDF） - SMSC -> Microchip

零件编号

产品描述 (功能)

生产厂家

FDC87W22

Power I/O Controller

SMSC -> Microchip 

HANDSHAKE CONTROL REGISTER (HCR) (READ/WRITE)...................................................................... 51

HANDSHAKE STATUS REGISTER (HSR) (READ/WRITE) ........................................................................ 52

UART FIFO CONTROL REGISTER (UFR) (WRITE ONLY) ..................................................................... 53

INTERRUPT STATUS REGISTER (ISR) (READ ONLY).............................................................................. 54

INTERRUPT CONTROL REGISTER (ICR) (READ/WRITE) ........................................................................ 56

PROGRAMMABLE BAUD GENERATOR (BLL/BHL) (READ/WRITE)............................................................ 56

USER-DEFINED REGISTER (UDR) (READ/WRITE)................................................................................ 57

PARALLEL PORT.......................................................................................................................... 58

PRINTER INTERFACE LOGIC .............................................................................................................. 58

ENHANCED PARALLEL PORT (EPP) ................................................................................................... 61

DATA SWAPPER ............................................................................................................................. 61

PRINTER STATUS BUFFER ................................................................................................................ 61

PRINTER CONTROL LATCH AND PRINTER CONTROL SWAPPER ............................................................... 62

EPP ADDRESS PORT ...................................................................................................................... 63

EPP DATA PORT 0-3...................................................................................................................... 63

EPP OPERATION............................................................................................................................ 65

EXTENDED CAPABILITIES PARALLEL (ECP) PORT................................................................................. 65

EXTENSION FDD MODE (EXTFDD) .................................................................................................. 74

EXTENSION 2FDD MODE (EXT2FDD) .............................................................................................. 74

SPECIFICATIONS..........................................................................................................................116

ABSOLUTE MAXIMUM RATINGS .................................................................................................116

DC CHARACTERISTICS................................................................................................................116

AC CHARACTERISTICS................................................................................................................118

TIMING WAVEFORMS ..................................................................................................................124

APPLICATION CIRCUITS ..............................................................................................................136

PACKAGE DIMENSIONS ..............................................................................................................139

80 Arkay Drive

Hauppauge, NY 11788

(516) 435-6000

FAX (516) 273-3123

4

Share Link: