W83627EHF Datasheet, PDF (8/141 Pages) Winbond – evolving product from Winbonds most popular I/O family

W83627EHF/EF, W83627EHG/EG
2. FEATURES
General
y Meet LPC Spec. 1.01
y Support LDRQ#(LPC DMA), SERIRQ (Serial IRQ)
y Integrated Hardware Monitor functions
y Compliant with Microsoft PC2000/PC2001 Hardware Design Guide
y Support DPM (Device Power Management), ACPI
y Programmable configuration settings
y Single 24 or 48 MHz clock input
y It is 3.3V level but 5V tolerance support
--- Besides LPC function pins(Pin21 ~ Pin30) and H/W monitor analog pins(Pin95 ~ Pin110)
--- Input level can up to 5V and maximum input level can be up to 5V+10%
FDC
y
y
y
y
y
y
y
y
y
y
y
y
y
Compatible with IBM PC AT disk drive systems
Variable write pre-compensation with track selectable capability
Support vertical recording format
DMA enable logic
16-byte data FIFOs
Support floppy disk drives and tape drives
Detects all overrun and underrun conditions
Built-in address mark detection circuit to simplify the read electronics
FDD anti-virus functions with software write protect and FDD write enable signal (write data
signal was forced to be inactive)
Support up to four 3.5-inch or 5.25-inch floppy disk drives
Completely compatible with industry standard 82077
360K/720K/1.2M/1.44M/2.88M format; 250K, 300K, 500K, 1M, 2M bps data transfer rate
Support 3-mode FDD, and its Win95/98 driver
UART
y Two high-speed 16550 compatible UARTs with 16-byte send/receive FIFOs
y MIDI compatible
y 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
y Internal diagnostic capabilities:
--- Loop-back controls for communications link fault isolation
--- Break, parity, overrun, framing error simulation
y Programmable baud rate generator allows division of 1.8461 MHz and 24 MHz by 1 to (216-1)
y Maximum baud rate up to 921k bps for 14.769 MHz and 1.5M bps for 24 MHz
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