Table of Contents
4
April 27, 2007
Preliminary
6.1.2
Reset Control....................................................................................................................................... 56
6.1.3
Power Control ...................................................................................................................................... 59
6.1.4
Clock Control ....................................................................................................................................... 59
6.1.5
System Control .................................................................................................................................... 61
6.2
Initialization and Configuration............................................................................................................. 62
6.3
Register Map ....................................................................................................................................... 62
6.4
Register Descriptions........................................................................................................................... 63
7.
Internal Memory .................................................................................................................. 98
7.1
Block Diagram ..................................................................................................................................... 98
7.2
Functional Description ......................................................................................................................... 98
7.2.1
SRAM Memory .................................................................................................................................... 98
7.2.2
Flash Memory ...................................................................................................................................... 99
7.3
Initialization and Configuration........................................................................................................... 101
7.3.1
Changing Flash Protection Bits ......................................................................................................... 101
7.3.2
Flash Programming ........................................................................................................................... 102
7.4
Register Map ..................................................................................................................................... 102
7.5
Register Descriptions......................................................................................................................... 103
8.
General-Purpose Input/Outputs (GPIOs) ........................................................................ 115
8.1
Block Diagram ................................................................................................................................... 116
8.2
Functional Description ....................................................................................................................... 117
8.2.1
Data Register Operation .................................................................................................................... 117
8.2.2
Data Direction .................................................................................................................................... 118
8.2.3
Interrupt Operation............................................................................................................................. 118
8.2.4
Mode Control ..................................................................................................................................... 119
8.2.5
Pad Configuration .............................................................................................................................. 119
8.2.6
Identification....................................................................................................................................... 119
8.3
Initialization and Configuration........................................................................................................... 119
8.4
Register Map ..................................................................................................................................... 121
8.5
Register Descriptions......................................................................................................................... 122
9.
General-Purpose Timers .................................................................................................. 153
9.1
Block Diagram ................................................................................................................................... 154
9.2
Functional Description ....................................................................................................................... 154
9.2.1
GPTM Reset Conditions .................................................................................................................... 154
9.2.2
32-Bit Timer Operating Modes........................................................................................................... 154
9.2.3
16-Bit Timer Operating Modes........................................................................................................... 156
9.3
Initialization and Configuration........................................................................................................... 160
9.3.1
32-Bit One-Shot/Periodic Timer Mode ............................................................................................... 160
9.3.2
32-Bit Real-Time Clock (RTC) Mode ................................................................................................. 161
9.3.3
16-Bit One-Shot/Periodic Timer Mode ............................................................................................... 161
9.3.4
16-Bit Input Edge Count Mode .......................................................................................................... 161
9.3.5
16-Bit Input Edge Timing Mode ......................................................................................................... 162
9.3.6
16-Bit PWM Mode.............................................................................................................................. 162
9.4
Register Map ..................................................................................................................................... 163
9.5
Register Descriptions......................................................................................................................... 164
10.
Watchdog Timer ................................................................................................................ 185
10.1
Block Diagram ................................................................................................................................... 185
10.2
Functional Description ....................................................................................................................... 186