pc87591l-n05 National Semiconductor Corporation, pc87591l-n05 Datasheet - Page 13

• Manufacturer Part Number: pc87591l-n05
• Description: Lpc Mobile Embedded Controller
• Manufacturer: National Semiconductor Corporation

Revision 1.2
Table of Contents
4.13
4.14
4.15
4.16
4.17
ACCESS.BUS (ACB) INTERFACE ......................................................................................... 184
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) ....................................................................... 197
4.14.1
4.14.2
4.14.3
4.14.4
4.14.5
4.14.6
ON-CHIP RAM ......................................................................................................................... 207
ON-CHIP ROM ........................................................................................................................ 207
POWER MANAGEMENT CONTROLLER (PMC) ................................................................... 208
4.17.1
4.17.2
4.17.3
Features .................................................................................................................... 184
Functional Description ............................................................................................... 184
Master Mode .............................................................................................................. 186
Slave Mode ................................................................................................................ 188
Power-Down .............................................................................................................. 189
SDA and SCL Pin Configuration ................................................................................ 189
ACB Clock Frequency Configuration ......................................................................... 189
ACB Registers ........................................................................................................... 190
Usage Hints ............................................................................................................... 196
Features .................................................................................................................... 197
Functional Description ............................................................................................... 197
Voltage Level ............................................................................................................. 198
ACM Operation .......................................................................................................... 199
ACM Registers .......................................................................................................... 201
Usage Hints ............................................................................................................... 206
Features .................................................................................................................... 208
The Core Domain Power Modes ............................................................................... 208
Switching Between Power Modes ............................................................................. 209
(Continued)
Output Settling Time ............................................................................................. 183
Filtering Noise on Output Signals ......................................................................... 183
“Acknowledge After Every Byte” Rule .................................................................. 185
ACB Register Map ................................................................................................ 190
ACB Serial Data Register (ACBnSDA) ................................................................. 190
ACB Status Register (ACBnST) ........................................................................... 191
ACB Control Status Register (ACBnCST) ............................................................ 192
ACB Control Register 1 (ACBnCTL1) .................................................................. 193
ACB Own Address Register (ACBnADDR and ACBnADDR2) ............................ 194
ACB Control Register 2 (ACBnCTL2) .................................................................. 195
ACB Control Register 3 (ACBnCTL3) .................................................................. 195
Reset .................................................................................................................... 199
Sampling Delay .................................................................................................... 199
Initializing the ACM ............................................................................................... 199
Interrupt Structure ................................................................................................ 200
ACM Operating Sequences .................................................................................. 200
ACM Register Map ............................................................................................... 201
ACM Control and Status Register (ACMCTS) ...................................................... 202
ACM Configuration Register (ACMCNF) .............................................................. 203
ACM Timing Control Register (ACMTIM) ............................................................. 204
Comparison Threshold Data Register (THRDAT) ................................................ 205
Comparison Result Register (CMPRES) .............................................................. 205
Voltage Level Data Buffer - Input 0 through 7 (VOLDAT0-7) ............................... 206
Voltage Level Burst .............................................................................................. 206
Decreasing Power Consumption .......................................................................... 209
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