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IP82C55A Datasheet(PDF) 17 Page - Intersil Corporation |
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IP82C55A Datasheet(HTML) 17 Page - Intersil Corporation |
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17 / 29 page  17 FN2969.10 November 16, 2006 FIGURE 23. BASIC FLOPPY DISC INTERFACE FIGURE 24. MACHINE TOOL CONTROLLER INTERFACE PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7 PC4 PC5 PC7 PC6 PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 PC1 PC0 MODE 0 (OUTPUT) 82C55A MODE 2 PC3 DATA STB ACK (IN) FLOPPY DISK INTERRUPT REQUEST D0 D1 D2 D3 D4 D5 D6 D7 TRACK “0” SENSOR SYNC READY INDEX DATA READY ACK (OUT) PC2 ENGAGE HEAD FORWARD/REV. READ ENABLE WRITE ENABLE DISC SELECT ENABLE CRC TEST BUSY LT CONTROLLER AND DRIVE PA0 PA1 PA2 PA3 PA4 PA5 PA6 PA7 PC4 PC5 PC6 PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 PC1 PC2 MODE 0 (OUTPUT) 82C55A MODE 1 PC3 STB ACK B LEVEL INTERRUPT REQUEST R0 R1 R2 R3 R4 R5 R6 R7 START/STOP LIMIT SENSOR (H/V) OUT OF FLUID STOP/GO PC0 CHANGE TOOL LEFT/RIGHT UP/DOWN HOR. STEP STROBE VERT. STEP STROBE SLEW/STEP FLUID ENABLE EMERGENCY STOP PAPER TAPE READER (INPUT) MACHINE TOOL MODE 0 (INPUT) 82C55A |
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