pc87311a National Semiconductor Corporation, pc87311a Datasheet - Page 3

• Manufacturer Part Number: pc87311a
• Description: Pc87311a/pc87312 Superi/otm Ii/iii Floppy Disk Controller With Dual Uarts, Parallel Port, And Ide Interface
• Manufacturer: National Semiconductor Corporation

7 0 PARALLEL PORT
8 0 INTEGRATED DEVICE ELECTRONICS
9 0 DEVICE DESCRIPTION
FIGURE 2-1
FIGURE 3-1
FIGURE 4-1
FIGURE 5-1
FIGURE 5-2
FIGURE 5-3
FIGURE 5-4
FIGURE 6-1
FIGURE 6-2
FIGURE 9-1
FIGURE 9-2
FIGURE 9-3
FIGURE 9-4
FIGURE 9-5
FIGURE 9-6a
FIGURE 9-6b
FIGURE 9-6c
FIGURE 9-7
FIGURE 9-8
FIGURE 9-9
FIGURE 9-10
FIGURE 9-11
FIGURE 9-12
FIGURE 9-13
FIGURE 9-14
FIGURE 9-15
FIGURE 9-16
FIGURE 10-1
FIGURE 10-2
FIGURE 10-3
7 1 Introduction
7 2 Data Register (DTR)
7 3 Status Register (STR)
7 4 Control Register (CTR)
8 1 Introduction
8 2 IDE Signals
9 1 DC Electrical Characteristics
INTERFACE (IDE)
6 3 4 Line Status Register (LSR)
6 3 5 FIFO Control Register (FCR)
6 3 6 Interrupt Identification Register (IIR)
6 3 7 Interrupt Enable Register (IER)
6 3 8 MODEM Control Register (MCR)
6 3 9 MODEM Status Register (MSR)
6 3 10 Scratchpad Register (SCR)
PC87311A 87312 Configuration Registers
FDC Functional Block Diagram
IBM Perpendicular and ISO Formats Supported by Format Command
FDC Data Separator Block Diagram
PC87311A 87312 Dynamic Window Margin Performance
Read Data Algorithm State Diagram
Perpendicular Recording Drive R W Head and Pre-Erase Head
PC87311A Composite Serial Data
PC87312 Composite Serial Data
Clock Timing
Microprocessor Read Timing
Microprocessor Write Timing
Baudout Timing
Transmitter Timing
Receiver Timing
PC87312 FIFO Mode Receiver Timing
PC87312 Timeout Receiver Timing
MODEM Control Timing
DMA Timing
Reset Timing
Write Data Timing
Drive Control Timing
Read Data Timing
IDE Timing
Parallel Port Interrupt Timing (Compatible Mode)
Parallel Port Interrupt Timing (Extended Mode)
Typical Parallel Port Data Exchange
PC87311A 87312 Four Floppy Drive Circuit
IDE Interface Signal Equations
PC87311A 87312 Adapter Card Schematic
Table of Contents
List of Figures
56
57
57
57
58
59
59
59
59
60
60
60
61
61
61
62
62
3
10 0 REFERENCE SECTION
9 2 AC Electrical Characteristics
10 1 Mnemonic Definitions for FDC Commands
10 2 Example Four Drive Circuit
9 2 1 AC Test Conditions
9 2 2 Clock Timing
9 2 3 Microprocessor Interface Timing
9 2 4 Baudout Timing
9 2 5 Transmitter Timing
9 2 6 Receiver Timing
9 2 7 MODEM Control Timing
9 2 8 DMA Timing
9 2 9 Reset Timing
9 2 10 Write Data Timing
9 2 11 Drive Control Timing
9 2 12 Read Data Timing
9 2 13 IDE Timing
9 2 14 Parallel Port Timing
Using the PC87311A 12
64
64
64
65
66
67
68
69
70
71
71
72
72
72
73
74
74
75
12
18
30
44
45
46
46
48
54
64
65
66
66
67
68
68
69
69
70
71
71
72
72
72
73
73
73
75
75
76