14.2
Functional Description ............................................................................................................. 330
14.2.1 I2C Bus Functional Overview .................................................................................................... 331
14.2.2 Available Speed Modes ........................................................................................................... 333
14.2.3 Interrupts ................................................................................................................................ 334
14.2.4 Loopback Operation ................................................................................................................ 334
14.2.5 Command Sequence Flow Charts ............................................................................................ 335
14.3
Initialization and Configuration ................................................................................................. 341
14.4
I2C Register Map ..................................................................................................................... 342
14.5
Register Descriptions (I2C Master) ........................................................................................... 343
14.6
Register Descriptions (I2C Slave) ............................................................................................. 356
15
Analog Comparators ....................................................................................................... 365
15.1
Block Diagram ........................................................................................................................ 365
15.2
Functional Description ............................................................................................................. 365
15.2.1 Internal Reference Programming .............................................................................................. 367
15.3
Initialization and Configuration ................................................................................................. 368
15.4
Register Map .......................................................................................................................... 368
15.5
Register Descriptions .............................................................................................................. 369
16
Pin Diagram ...................................................................................................................... 377
17
Signal Tables .................................................................................................................... 378
18
Operating Characteristics ............................................................................................... 392
19
Electrical Characteristics ................................................................................................ 393
19.1
DC Characteristics .................................................................................................................. 393
19.1.1 Maximum Ratings ................................................................................................................... 393
19.1.2 Recommended DC Operating Conditions .................................................................................. 393
19.1.3 On-Chip Low Drop-Out (LDO) Regulator Characteristics ............................................................ 394
19.1.4 Power Specifications ............................................................................................................... 394
19.1.5 Flash Memory Characteristics .................................................................................................. 396
19.2
AC Characteristics ................................................................................................................... 396
19.2.1 Load Conditions ...................................................................................................................... 396
19.2.2 Clocks .................................................................................................................................... 396
19.2.3 Analog Comparator ................................................................................................................. 397
19.2.4 I2C ......................................................................................................................................... 397
19.2.5 Hibernation Module ................................................................................................................. 398
19.2.6 Synchronous Serial Interface (SSI) ........................................................................................... 399
19.2.7 JTAG and Boundary Scan ........................................................................................................ 400
19.2.8 General-Purpose I/O ............................................................................................................... 402
19.2.9 Reset ..................................................................................................................................... 402
20
Package Information ........................................................................................................ 405
A
Serial Flash Loader .......................................................................................................... 407
A.1
Serial Flash Loader ................................................................................................................. 407
A.2
Interfaces ............................................................................................................................... 407
A.2.1
UART ..................................................................................................................................... 407
A.2.2
SSI ......................................................................................................................................... 407
A.3
Packet Handling ...................................................................................................................... 408
A.3.1
Packet Format ........................................................................................................................ 408
A.3.2
Sending Packets ..................................................................................................................... 408
October 09, 2007
6
Preliminary
Table of Contents