ADP315PC87570 National Semiconductor, ADP315PC87570 Datasheet - Page 9

• Manufacturer Part Number: ADP315PC87570
• Description: Keyboard and Power Management Controller
• Manufacturer: National Semiconductor

11.0
12.0
10.2
10.3
10.4
General Purpose I/O (GPIO) Ports
11.1
11.2
11.3
PS/2 Interface
12.1
12.2
12.3
FUNCTIONAL DESCRIPTION .................................................................................................. 84
10.2.1
10.2.2
10.2.3
10.2.4
10.2.5
MIWU REGISTERS ................................................................................................................... 86
10.3.1
10.3.2
10.3.3
10.3.4
10.3.5
10.3.6
10.3.7
10.3.8
10.3.9
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
USAGE HINTS .......................................................................................................................... 87
FEATURES ................................................................................................................................ 88
FUNCTIONAL DESCRIPTION .................................................................................................. 88
11.2.1
11.2.2
11.2.3
11.2.4
GPIO PORT REGISTERS ......................................................................................................... 89
11.3.1
11.3.2
11.3.3
11.3.4
11.3.5
FEATURES ................................................................................................................................ 90
FUNCTIONAL DESCRIPTION .................................................................................................. 90
12.2.1
12.2.2
12.2.3
12.2.4
12.2.5
SHIFT MECHANISM ENABLED ................................................................................................ 91
12.3.1
12.3.2
Trigger Conditions ....................................................................................................... 86
Pending Flags .............................................................................................................. 86
Input Enable ................................................................................................................ 86
Interrupts ..................................................................................................................... 86
Input Assignments ....................................................................................................... 86
Edge Detection Register 1(WKEDG1) ......................................................................... 86
Edge Detection Register 2 (WKEDG2) ........................................................................ 86
Edge Detection Register 3 (WKEDG3) ........................................................................ 86
Pending Register 1 (WKPND1) ................................................................................... 86
Pending Register 2 (WKPND2) ................................................................................... 86
Pending Register 3 (WKPND3) ................................................................................... 87
Wake-Up Enable Register 1 (WKEN1) ........................................................................ 87
Wake-Up Enable Register 2 (WKEN2) ........................................................................ 87
Wake-Up Enable Register 3 (WKEN3) ........................................................................ 87
Output Buffer ............................................................................................................... 88
Input Buffer .................................................................................................................. 88
Open Drain .................................................................................................................. 88
Weak Pull-Up ............................................................................................................... 88
Port Alternate Function Register (PxALT) ................................................................... 89
Port Direction Register (PxDIR) ................................................................................... 89
Port Data Out Register (PxDOUT) .............................................................................. 89
Port Data In Register (PxDIN) ..................................................................................... 89
Port Weak Pull-up Register (PxWPU) ......................................................................... 89
Configuration ............................................................................................................... 90
Shift Mechanism .......................................................................................................... 90
Quasi-Bidirectional Drivers .......................................................................................... 90
Interrupt Signals .......................................................................................................... 91
Power Modes ............................................................................................................... 91
Reset ........................................................................................................................... 91
Enable ......................................................................................................................... 91
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