STP2001QFP Sun Microelectronics, STP2001QFP Datasheet - Page 5

• Manufacturer Part Number: STP2001QFP
• Description: Integrated SBus Interface Slave I/O Controller
• Manufacturer: Sun Microelectronics

STP2001.frm Page 5 Monday, August 25, 1997 2:46 PM
Floppy Interface: 17 pins
Keyboard/Mouse Interface: 4 pins
Reset Signals: 3 pins
July 1997
FPY_CLK32
FPY_CLK24
FPY_DENSENSE
FPY_DISKCHG
FPY_WRPROT
FPY_TRACK0
FPY_RDDATA
FPY_INDEX
FPY_EJECT
FPY_HEADSEL
FPY_STEP
FPY_DIR
FPY_WRDATA
FPY_WRGATE
FPY_DRVSEL
FPY_MOTEN
FPY_DENSEL
KBD_DIN
KBD_DOUT
MSE_DIN
MSE_OUT
POR_RST_IN
SYS_RST_OUT
MMC_RST_OUT
Signal
Signal
Signal
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Type
Type
Type
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
Input
32 MHz clock for floppy DDS
24 MHz clock for floppy ASF
Density sense input (auxio1 register bit)
Disk change
Write protect
Track 0 indicator
Read data
Track index
Floppy eject (ME[3] of 82077 ASF)
Head select
Drive step pulse
Head step direction
Write data
Write enable
Floppy drive select (DS[0] of 82077 ASF)
Floppy motor enable (ME[0] of 82077 ASF)
Density select (ME[2] or DENSEL of 82077 ASF)
Keyboard data in
Keyboard data out
Mouse data in
Mouse data out
Power-up reset input
System (SBus) reset output
MMC reset output
Integrated SBus Interface Slave I/O Controller
Description
Description
Description
Slave I/O
STP2001QFP
5