PC87570 datasheet(9/168 Pages) NSC

9 / 168 page

Table of Contents

www.national.com

10.2

FUNCTIONAL DESCRIPTION .................................................................................................. 84

10.2.1

Trigger Conditions ....................................................................................................... 86

10.2.2

Pending Flags .............................................................................................................. 86

10.2.3

Input Enable ................................................................................................................ 86

10.2.4

Interrupts ..................................................................................................................... 86

10.2.5

Input Assignments ....................................................................................................... 86

10.3

MIWU REGISTERS ................................................................................................................... 86

10.3.1

Edge Detection Register 1(WKEDG1) ......................................................................... 86

10.3.2

Edge Detection Register 2 (WKEDG2) ........................................................................ 86

10.3.3

Edge Detection Register 3 (WKEDG3) ........................................................................ 86

10.3.4

Pending Register 1 (WKPND1) ................................................................................... 86

10.3.5

Pending Register 2 (WKPND2) ................................................................................... 86

10.3.6

Pending Register 3 (WKPND3) ................................................................................... 87

10.3.7

Wake-Up Enable Register 1 (WKEN1) ........................................................................ 87

10.3.8

Wake-Up Enable Register 2 (WKEN2) ........................................................................ 87

10.3.9

Wake-Up Enable Register 3 (WKEN3) ........................................................................ 87

10.3.10 Pending Clear Register 1 (WKPCL1) .......................................................................... 87

10.3.11 Pending Clear Register 2 (WKPCL2) .......................................................................... 87

10.3.12 Pending Clear Register 3 (WKPCL3) .......................................................................... 87

10.4

USAGE HINTS .......................................................................................................................... 87

11.0

General Purpose I/O (GPIO) Ports

11.1

FEATURES ................................................................................................................................ 88

11.2

FUNCTIONAL DESCRIPTION .................................................................................................. 88

11.2.1

Output Buffer ............................................................................................................... 88

11.2.2

Input Buffer .................................................................................................................. 88

11.2.3

Open Drain .................................................................................................................. 88

11.2.4

Weak Pull-Up ............................................................................................................... 88

11.3

GPIO PORT REGISTERS .........................................................................................................89

11.3.1

Port Alternate Function Register (PxALT) ................................................................... 89

11.3.2

Port Direction Register (PxDIR) ................................................................................... 89

11.3.3

Port Data Out Register (PxDOUT) .............................................................................. 89

11.3.4

Port Data In Register (PxDIN) ..................................................................................... 89

11.3.5

Port Weak Pull-up Register (PxWPU) ......................................................................... 89

12.0

PS/2 Interface

12.1

FEATURES ................................................................................................................................ 90

12.2

FUNCTIONAL DESCRIPTION .................................................................................................. 90

12.2.1

Configuration ............................................................................................................... 90

12.2.2

Shift Mechanism .......................................................................................................... 90

12.2.3

Quasi-Bidirectional Drivers .......................................................................................... 90

12.2.4

Interrupt Signals .......................................................................................................... 91

12.2.5

Power Modes ...............................................................................................................91

12.3

SHIFT MECHANISM ENABLED ................................................................................................ 91

12.3.1

Reset ........................................................................................................................... 91

12.3.2

Enable ......................................................................................................................... 91

PC87570 Datasheet(PDF) 9 Page - National Semiconductor (TI)

PC87570 Datasheet(HTML) 9 Page - National Semiconductor (TI)

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL