
W83627HF/F
PRELIMINARY
Publication Release Date: Jul 1999
Revision 0.53
- 3 -
UART
£ Two high-speed 16550 compatible UARTs with 16-byte send/receive FIFOs
£ MIDI compatible
£ Fully programmable serial-interface characteristics:
--- 5, 6, 7 or 8-bit characters
--- Even, odd or no parity bit generation/detection
--- 1, 1.5 or 2 stop bits generation
£ Internal diagnostic capabilities:
--- Loop-back controls for communications link fault isolation
--- Break, parity, overrun, framing error simulation
£ Programmable baud generator allows division of 1.8461 MHz and 24 MHz by 1 to (2
16
-1)
£ Maximum baud rate up to
921k bps
for 14.769 MHz and 1.5M bps for 24 MHz
Infrared
£ Support IrDA version 1.0 SIR protocol with maximum baud rate up to 115.2K bps
£ Support SHARP ASK-IR protocol with maximum baud rate up to 57,600 bps
£ Support Consumer IR
Parallel Port
£ Compatible with IBM parallel port
£ Support PS/2 compatible bi-directional parallel port
£ Support Enhanced Parallel Port (EPP)
Compatible with IEEE 1284 specification
£ Support Extended Capabilities Port (ECP)
Compatible with IEEE 1284 specification
£ Extension FDD mode supports disk drive B; and Extension 2FDD mode supports disk drives A and B
through parallel port
£ Enhanced printer port back-drive current protection
Keyboard Controller
£ 8042 based with optional F/W from AMIKKEY
TM
-2, Phoenix MultiKey/42
TM
or customer code with 2K
bytes of programmable ROM, and 256 bytes of RAM
£ Asynchronous Access to Two Data Registers and One status Register
£ Software compatibility with the 8042
£ Support PS/2 mouse
£ Support port 92
£ Support both interrupt and polling modes
£ Fast Gate A20 and Hardware Keyboard Reset
£ 8 Bit Timer/ Counter
£ Support binary and BCD arithmetic
£ 6 MHz, 8 MHz, 12 MHz, or 16 MHz operating frequency