pc87591l National Semiconductor Corporation, pc87591l Datasheet - Page 13

• Manufacturer Part Number: pc87591l
• Description: Lpc Mobile Embedded Controllers
• Manufacturer: National Semiconductor Corporation

Revision 1.07
Table of Contents
4.13
4.14
4.15
4.16
ACCESS.BUS (ACB) INTERFACE ......................................................................................... 196
4.13.1
4.13.2
4.13.3
4.13.4
4.13.5
4.13.6
4.13.7
4.13.8
4.13.9
ANALOG COMPARATORS MONITOR (ACM) ....................................................................... 208
4.14.1
4.14.2
4.14.3
4.14.4
4.14.5
4.14.6
ON-CHIP RAM ......................................................................................................................... 218
ON-CHIP FLASH ..................................................................................................................... 218
4.16.1
4.16.2
4.16.3
Features .................................................................................................................... 196
Functional Description ............................................................................................... 196
Master Mode .............................................................................................................. 199
Slave Mode ................................................................................................................ 201
Power-Down .............................................................................................................. 201
SDA and SCL Pin Configuration ................................................................................ 201
ACB Clock Frequency Configuration ......................................................................... 202
ACB Registers ........................................................................................................... 202
Usage Hints ............................................................................................................... 207
Features .................................................................................................................... 208
Functional Description ............................................................................................... 208
Voltage Level ............................................................................................................. 209
ACM Operation .......................................................................................................... 210
ACM Registers .......................................................................................................... 212
Usage Hints ............................................................................................................... 217
Features .................................................................................................................... 218
Functional Description ............................................................................................... 219
Flash Interface States and Timing Control ................................................................ 222
(Continued)
DAC Output Protection ...................................................................................... 194
Output Voltage Accuracy ................................................................................... 194
Output Settling Time .......................................................................................... 195
Filtering Noise on Output Signals ...................................................................... 195
“Acknowledge After Every Byte” Rule ................................................................ 198
ACB Register Map ............................................................................................. 202
ACB Serial Data Register (ACBnSDA) .............................................................. 202
ACB Status Register (ACBnST) ........................................................................ 203
ACB Control Status Register (ACBnCST) ......................................................... 204
ACB Control Register 1 (ACBnCTL1) ................................................................ 205
ACB Own Address Register (ACBnADDR and ACBnADDR2) .......................... 206
ACB Control Register 2 (ACBnCTL2) ................................................................ 206
ACB Control Register 3 (ACBnCTL3) ................................................................ 207
Reset ................................................................................................................. 210
Sampling Delay .................................................................................................. 210
Initializing the ACM ............................................................................................ 210
Interrupt Structure .............................................................................................. 211
ACM Operating Sequences ............................................................................... 211
ACM Register Map ............................................................................................ 212
ACM Control and Status Register (ACMCTS) ................................................... 213
ACM Configuration Register (ACMCNF) ........................................................... 214
ACM Timing Control Register (ACMTIM) .......................................................... 215
Comparison Threshold Data Register (THRDAT) ............................................. 216
Comparison Result Register (CMPRES) ........................................................... 216
Voltage Level Data Buffer - Input 0 through 7 (VOLDAT0-7) ............................ 217
Voltage Level Burst ............................................................................................ 217
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