Table of Contents
4
April 27, 2007
Preliminary
6.1.2
Reset Control....................................................................................................................................... 57
6.1.3
Power Control ...................................................................................................................................... 60
6.1.4
Clock Control ....................................................................................................................................... 60
6.1.5
System Control .................................................................................................................................... 62
6.2
Initialization and Configuration............................................................................................................. 63
6.3
Register Map ....................................................................................................................................... 63
6.4
Register Descriptions........................................................................................................................... 64
7.
Internal Memory .................................................................................................................. 99
7.1
Block Diagram ..................................................................................................................................... 99
7.2
Functional Description ......................................................................................................................... 99
7.2.1
SRAM Memory .................................................................................................................................... 99
7.2.2
Flash Memory .................................................................................................................................... 100
7.3
Initialization and Configuration........................................................................................................... 102
7.3.1
Changing Flash Protection Bits ......................................................................................................... 102
7.3.2
Flash Programming ........................................................................................................................... 103
7.4
Register Map ..................................................................................................................................... 103
7.5
Register Descriptions......................................................................................................................... 104
8.
General-Purpose Input/Outputs (GPIOs) ........................................................................ 116
8.1
Block Diagram ................................................................................................................................... 117
8.2
Functional Description ....................................................................................................................... 118
8.2.1
Data Register Operation .................................................................................................................... 118
8.2.2
Data Direction .................................................................................................................................... 119
8.2.3
Interrupt Operation............................................................................................................................. 119
8.2.4
Mode Control ..................................................................................................................................... 120
8.2.5
Pad Configuration .............................................................................................................................. 120
8.2.6
Identification....................................................................................................................................... 120
8.3
Initialization and Configuration........................................................................................................... 120
8.4
Register Map ..................................................................................................................................... 122
8.5
Register Descriptions......................................................................................................................... 123
9.
General-Purpose Timers .................................................................................................. 154
9.1
Block Diagram ................................................................................................................................... 155
9.2
Functional Description ....................................................................................................................... 155
9.2.1
GPTM Reset Conditions .................................................................................................................... 155
9.2.2
32-Bit Timer Operating Modes........................................................................................................... 155
9.2.3
16-Bit Timer Operating Modes........................................................................................................... 157
9.3
Initialization and Configuration........................................................................................................... 161
9.3.1
32-Bit One-Shot/Periodic Timer Mode ............................................................................................... 161
9.3.2
32-Bit Real-Time Clock (RTC) Mode ................................................................................................. 162
9.3.3
16-Bit One-Shot/Periodic Timer Mode ............................................................................................... 162
9.3.4
16-Bit Input Edge Count Mode .......................................................................................................... 162
9.3.5
16-Bit Input Edge Timing Mode ......................................................................................................... 163
9.3.6
16-Bit PWM Mode.............................................................................................................................. 163
9.4
Register Map ..................................................................................................................................... 164
9.5
Register Descriptions......................................................................................................................... 165
10.
Watchdog Timer ................................................................................................................ 186
10.1
Block Diagram ................................................................................................................................... 186
10.2
Functional Description ....................................................................................................................... 187
10.3
Initialization and Configuration........................................................................................................... 187