The HT6550A super Multi I/O chip, is an advanced CMOS single chip controller offering the complete I/O solutions for the IBM AT environments. It incorporates one floppy disk controller (FDC), two full function UARTs, one parallel port, one bus mouse port, one game port controller, IDE hard disk drive interface, standard AT address decoding for on-chip functi.
• 100% compatible to IBM PC AT
• Fully uPD765b and IBM
–BIOS compatible
floppy disk controller
– 48mA floppy drive interface buffers
– Support two floppy drives with capability
of supporting up to four drives with an external decoder
– Support 360K/720K/1.2M/1.44M formats
– Support 250Kb/s, 300Kb/s, 500Kb/s data rate
• Digital data separator eliminates critical analog adjustments
• Two 16450/8250 compatible UARTs
– Independent control of transmit,receive,line status and data set interrupts on each channel
– Individual modem control signals for each channel
– Programmable serial interface charac.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | HT6550 |
Holtek Microelectronics |
Super I/O Controller | |
2 | HT6551 |
Holtek Microelectronics |
Super I/O Controller | |
3 | HT651 |
Holtek Semiconductor Inc |
318 Series of Decoders | |
4 | HT6513 |
Holtek Semiconductor Inc |
Mouse Controller | |
5 | HT6513B |
Holtek Semiconductor |
M+ Plug & Play Mouse Controller | |
6 | HT6523 |
Holtek Semiconductor Inc |
PS/2 Mouse Controller | |
7 | HT654 |
Holtek Semiconductor Inc |
318 Series of Decoders | |
8 | HT6542B |
Holtek Semiconductor Inc |
Keyboard Controller with PS/2 | |
9 | HT656 |
Holtek Semiconductor Inc |
318 Series of Decoders | |
10 | HT6560A |
Holtek Microelectronics |
VL-Bus IDE Controler | |
11 | HT6560B |
Holtek Microelectronics |
VL-Bus IDE Controler | |
12 | HT6570 |
Holtek Microelectronics |
I/O TTL Integration |