PC87366 datasheet(11/240 Pages) NSC

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10.2.8

MIDI Port Interrupts ................................................................................................... 171

10.2.9

Enhanced MIDI Port Features ................................................................................... 172

10.3

MIDI PORT REGISTERS ........................................................................................................ 173

10.3.1

MIDI Port Register Map ............................................................................................. 173

10.3.2

MIDI Data In Register (MDI) ...................................................................................... 173

10.3.3

MIDI Data Out Register (MDO) ................................................................................. 173

10.3.4

MIDI Status Register (MSTAT) .................................................................................. 174

10.3.5

MIDI Command Register (MCOM) ............................................................................ 174

10.3.6

MIDI Control Register (MCNTL) ................................................................................ 175

10.4

MIDI PORT BITMAP ................................................................................................................ 176

11.0

Voltage Level Monitor (VLM)

11.1

OVERVIEW ............................................................................................................................. 177

11.2

FUNCTIONAL DESCRIPTION ................................................................................................ 177

11.2.1

Voltage Measurement, Channels 0 through 10 ......................................................... 178

11.2.2

Thermistor-Based Temperature Measurement, Channels 11 to 13 .......................... 179

11.2.3

VOS, VHIGH and VLOW Limits, OTS and ALERT Output, IRQ and SMI ..................... 179

11.2.4

Power-On Reset Default States ................................................................................ 180

11.2.5

Standby Mode ........................................................................................................... 180

11.3

ANALOG SUPPLY CONNECTION ......................................................................................... 180

11.3.1

Recommendations ..................................................................................................... 180

11.3.2

Reference Voltage ..................................................................................................... 181

11.4

REGISTER BANK OVERVIEW ............................................................................................... 181

11.5

VLM REGISTERS .................................................................................................................... 182

11.5.1

VLM Register Map ..................................................................................................... 182

11.5.2

Voltage Event Status Register 0 (VEVSTS0) ............................................................ 183

11.5.3

Voltage Event Status Register 1 (VEVSTS1) ............................................................ 183

11.5.4

Voltage Event to SMI Register 0 (VEVSMI0) ............................................................ 184

11.5.5

Voltage Event to SMI Register 1 (VEVSMI1) ............................................................ 185

11.5.6

Voltage Event to IRQ Register 0 (VEVIRQ0) ............................................................ 186

11.5.7

Voltage Event to IRQ Register 1 (VEVIRQ1) ............................................................ 186

11.5.8

Voltage ID Register (VID) .......................................................................................... 187

11.5.9

Voltage Conversion Rate Register (VCNVR) ............................................................ 188

11.5.10 VLM Configuration Register (VLMCFG) .................................................................... 189

11.5.11 VLM Bank Select Register (VLMBS) ......................................................................... 189

11.5.12 Voltage Channel Configuration and Status Register (VCHCFST) ............................. 190

11.5.13 Read Channel Voltage Register (RDCHV) ................................................................ 191

11.5.14 Channel Voltage High Limit Register (CHVH) ........................................................... 191

11.5.15 Channel Voltage Low Limit Register (CHVL) ............................................................ 191

11.5.16 Overtemperature Shutdown Limit Register (OTSL) ................................................... 191

11.6

VLM REGISTER BITMAP ........................................................................................................ 192

11.6.1

VLM Control and Status Registers ............................................................................ 192

11.6.2

VLM Channel Registers ............................................................................................. 192

11.7

USAGE HINTS ........................................................................................................................ 193

PC87366 数据表(PDF) 11 Page - National Semiconductor (TI)

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