LM3S102 Data Sheet
October 6, 2006
5
Preliminary
10.5
Register Descriptions......................................................................................................................... 172
11.
Universal Asynchronous Receiver/Transmitter (UART)................................................ 193
11.1
Block Diagram ................................................................................................................................... 194
11.2
Functional Description ....................................................................................................................... 194
11.2.1 Transmit/Receive Logic ..................................................................................................................... 194
11.2.2 Baud-Rate Generation ....................................................................................................................... 195
11.2.3 Data Transmission ............................................................................................................................. 196
11.2.4 FIFO Operation .................................................................................................................................. 196
11.2.5 Interrupts............................................................................................................................................ 196
11.2.6 Loopback Operation .......................................................................................................................... 197
11.3
Initialization and Configuration........................................................................................................... 197
11.4
Register Map ..................................................................................................................................... 198
11.5
Register Descriptions......................................................................................................................... 199
12.
Synchronous Serial Interface (SSI) ................................................................................. 229
12.1
Block Diagram ................................................................................................................................... 229
12.2
Functional Description ....................................................................................................................... 230
12.2.1 Bit Rate Generation ........................................................................................................................... 230
12.2.2 FIFO Operation .................................................................................................................................. 230
12.2.3 Interrupts............................................................................................................................................ 230
12.2.4 Frame Formats .................................................................................................................................. 231
12.3
Initialization and Configuration........................................................................................................... 238
12.4
Register Map ..................................................................................................................................... 239
12.5
Register Descriptions......................................................................................................................... 240
13.
Inter-Integrated Circuit (I2C) Interface ............................................................................ 264
13.1
Block Diagram ................................................................................................................................... 264
13.2
Functional Description ....................................................................................................................... 264
13.2.1 I2C Bus Functional Overview ............................................................................................................. 265
13.2.2 Available Speed Modes ..................................................................................................................... 272
13.3
Initialization and Configuration........................................................................................................... 273
13.4
Register Map ..................................................................................................................................... 273
13.5
Register Descriptions (I2C Master).................................................................................................... 274
13.6
Register Descriptions (I2C Slave)...................................................................................................... 288
14.
Analog Comparator........................................................................................................... 296
14.1
Block Diagram ................................................................................................................................... 296
14.2
Functional Description ....................................................................................................................... 296
14.2.1 Internal Reference Programming....................................................................................................... 297
14.3
Initialization and Configuration........................................................................................................... 298
14.4
Register Map ..................................................................................................................................... 299
14.5
Register Descriptions......................................................................................................................... 299
15.
Pin Diagram ....................................................................................................................... 307
16.
Signal Tables ..................................................................................................................... 308
17.
Operating Characteristics ................................................................................................ 315
18.
Electrical Characteristics ................................................................................................. 316
18.1
DC Characteristics ............................................................................................................................. 316
18.1.1 Maximum Ratings .............................................................................................................................. 316
18.1.2 Recommended DC Operating Conditions ......................................................................................... 316
18.1.3 On-Chip Low Drop-Out (LDO) Regulator Characteristics .................................................................. 317
18.1.4 Power Specifications ......................................................................................................................... 318
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