Samsung S3F84B8 User Manual page 8

6.3.70 TCM — Test Complement Under Mask ....................................................................................... 6-82
6.3.71 TM — Test Under Mask ............................................................................................................... 6-83
6.3.72 WFI — Wait for Interrupt............................................................................................................... 6-84
6.3.73 XOR — Logical Exclusive OR ...................................................................................................... 6-85
7 CLOCK CIRCUIT .........................................................................................7-1
7.1 Overview of Clock Circuit......................................................................................................................... 7-1
7.1.1 Clock Status During Power-Down Modes ........................................................................................ 7-2
7.1.2 System Clock Control Register (CLKCON) ...................................................................................... 7-2
8 RESET AND POWER-DOWN .....................................................................8-1
8.1 Overview of System Reset....................................................................................................................... 8-1
8.1.1 MCU Initialization Sequence ............................................................................................................ 8-3
8.2 Power-down Modes ................................................................................................................................. 8-4
8.2.1 Stop Mode ........................................................................................................................................ 8-4
8.2.1.1 Using RESET to Release Stop Mode ..................................................................................... 8-4
8.2.1.2 Using an External Interrupt to Release Stop Mode ................................................................ 8-4
8.2.1.3 Idle Mode ................................................................................................................................ 8-5
8.2.2 Hardware Reset Values.................................................................................................................... 8-6
9 I/O PORTS ...................................................................................................9-1
9.1 Overview of I/O Ports............................................................................................................................... 9-1
9.1.1 Port Data Registers .......................................................................................................................... 9-1
9.1.1.1 Port 0....................................................................................................................................... 9-2
9.1.1.2 Port 1....................................................................................................................................... 9-7
9.1.1.3 Port 2....................................................................................................................................... 9-9
10 BASIC TIMER ............................................................................................10-1
10.1 Overview of Basic Timer ...................................................................................................................... 10-1
10.2 Basic Timer Control Register (BTCON)............................................................................................... 10-2
10.2.1 Basic Timer Function Description................................................................................................. 10-3
10.2.1.1 Watchdog Timer Function................................................................................................... 10-3
10.2.1.2 Oscillation Stabilization Interval Timer Function ................................................................. 10-3
11 8-BIT TIMER A...........................................................................................11-1
11.1 Overview of 8-bit Timer A .................................................................................................................... 11-1
11.1.1 Functional Description .................................................................................................................. 11-2
11.1.1.1 Timer A Interrupts ............................................................................................................... 11-2
11.1.1.2 Interval Timer Function ....................................................................................................... 11-2
11.1.1.3 Pulse Width Modulation Mode ............................................................................................ 11-2
11.1.1.4 Capture Mode ..................................................................................................................... 11-2
11.1.2 Timer A Control Register (TACON) .............................................................................................. 11-3
11.1.3 Block Diagram of Timer A............................................................................................................. 11-6
12 TIMER 0 .....................................................................................................12-1
12.1 One 16-bit Timer Mode (Timer 0) ........................................................................................................ 12-1
12.1.1 Overview of One 16-bit Timer Mode (Timer 0)............................................................................. 12-1
12.1.2 Functional Description of One 16-bit Timer Mode (Timer 0) ........................................................ 12-2
12.1.2.1 Interval Timer Function ....................................................................................................... 12-2