FDC37N958FR Standard Microsystems, FDC37N958FR Datasheet - Page 5
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FDC37N958FR
Manufacturer Part Number
FDC37N958FR
Description
Notebook I/O controller
Manufacturer
Standard Microsystems
Datasheet
1.FDC37N958FR.pdf
(316 pages)
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GENERAL PURPOSE I/O (GPIO) ....................................................................................................... 197
MULTIPLEXED PINS .......................................................................................................................... 203
REAL TIME CLOCK ............................................................................................................................ 209
VCC1 POR........................................................................................................................................... 211
INTERNAL REGISTERS ..................................................................................................................... 212
TIME CALENDAR AND ALARM ......................................................................................................... 213
UPDATE CYCLE ................................................................................................................................. 214
CONTROL AND STATUS REGISTERS .............................................................................................. 215
INTERRUPTS ...................................................................................................................................... 220
FREQUENCY DIVIDER ....................................................................................................................... 220
PERIODIC INTERRUPT SELECTION ................................................................................................. 220
POWER MANAGEMENT..................................................................................................................... 221
ACCESS.BUS...................................................................................................................................... 222
BACKGROUND ................................................................................................................................... 222
REGISTER DESCRIPTION ................................................................................................................. 223
PS/2 DEVICE INTERFACE.................................................................................................................. 229
PS/2 LOGIC OVERVIEW..................................................................................................................... 229
SERIAL INTERRUPTS ........................................................................................................................ 233
FDC37N958FR CONFIGURATION ..................................................................................................... 238
CONFIGURATION ELEMENTS........................................................................................................... 238
TYPICAL SEQUENCE OF CONFIGURATION OPERATION.............................................................. 239
CONFIGURATION REGISTERS ......................................................................................................... 241
OPEN MODE REGISTERS.................................................................................................................. 266
SMSC DS – FDC37N958FR
Rev. 09/01/99
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