MSM63182A/184A/188A User’s Manual
Contents
Contents – 3
9.3.5
Auto-reload mode operation ..................................................................................................................9-5
9.3.6
Capture mode operation.........................................................................................................................9-7
9.3.7
Frequency measurement mode operation ............................................................................................9-10
9.4
Timer Registers .........................................................................................................................................9-13
Chapter 10 100 Hz Timer Counter (100HzTC)
10.1 Overview ...................................................................................................................................................10-1
10.2 100 Hz Timer Counter Configuration .......................................................................................................10-1
10.3 100 Hz Timer Counter Operation..............................................................................................................10-2
10.4 100 Hz Timer Counter Registers...............................................................................................................10-2
Chapter 11 Watchdog Timer (WDT)
11.1 Overview ...................................................................................................................................................11-1
11.2 Watchdog Timer Configuration ................................................................................................................11-1
11.3 Watchdog Timer Operation.......................................................................................................................11-2
11.4 Watchdog Timer Control Register (WDTCON) .......................................................................................11-4
Chapter 12 Ports (INPUT, OUTPUT, I/O PORT)
12.1 Overview ...................................................................................................................................................12-1
12.2 MSM63180 Family Ports List...................................................................................................................12-1
12.3 Ports 0–1 (P0.0–P0.3, P1.0–P1.3) .............................................................................................................12-2
12.3.1 Port 0–1 configuration .........................................................................................................................12-2
12.3.2 Port 0–1 registers .................................................................................................................................12-3
12.3.3 External interrupt function of ports 0–1 (External 5 interrupt)............................................................12-7
12.4 Ports 2–3 (P2.0–P2.3, P3.0–P3.3) ...........................................................................................................12-10
12.4.1 Port 2–3 configuration .......................................................................................................................12-10
12.4.2 Port 2–3 registers ...............................................................................................................................12-11
12.5 Ports 4–7 (P4.0–P4.3, P5.0–P5.3, P6.0–P6.3, P7.0–P7.3).......................................................................12-14
12.5.1 Port 4–7 configuration .......................................................................................................................12-14
12.5.2 Port 4–7 registers ...............................................................................................................................12-15
12.6 Ports 8–A (P8.0–P8.3, P9.0–P9.3, PA.0–PA.3) ......................................................................................12-22
12.6.1 Port 8–A configuration ......................................................................................................................12-22
12.6.2 Port 8–A registers ..............................................................................................................................12-23
12.6.3 External interrupt function of port 8.3 (External 4 interrupt) ............................................................12-29
12.7 Port B (PB.0–PB.3) .................................................................................................................................12-31
12.7.1 Port B configuration ..........................................................................................................................12-31
12.7.2 Port B registers ..................................................................................................................................12-32
12.7.3 External interrupt function of port B (External 0 interrupt)...............................................................12-36
12.8 Port C (PC.0–PC.3) .................................................................................................................................12-38
12.8.1 Port C configuration ..........................................................................................................................12-38
12.8.2 Port C registers ..................................................................................................................................12-39
12.8.3 External interrupt function of port C (External 1 interrupt)...............................................................12-44
12.9 Port D (PD.0–PD.3) ................................................................................................................................12-46
12.9.1 Port D configuration ..........................................................................................................................12-46
12.9.2 Port D registers ..................................................................................................................................12-47
12.10 Port E (PE.0–PE.3)..................................................................................................................................12-50
12.10.1 Port E configuration ..........................................................................................................................12-50
12.10.2 Port E registers ..................................................................................................................................12-51
12.10.3 External interrupt function of port E.3 (External 2 interrupt)............................................................12-54
Chapter 13
External Memory Interface (EXTMEM)
13.1 Overview ...................................................................................................................................................13-1
13.2 External Memory Address Space ..............................................................................................................13-2
13.3 Setting Port Secondary Functions .............................................................................................................13-3
13.4 Write to External Memory ........................................................................................................................13-3