Specifications

DM562AP
V.90 Integrated Data/ Fax/Voice/Speakerphone
Modem Device Single Chip with Memory Built in
Chip 1: Integrated Processor Unit with PnP
DM6588A Description
The DM6588A Modem Control Unit is designed for
use in high speed internal and external modem
applications. The DM6588A incorporates a 80C32
micro-controller, a virtual 16550A UART with FIFO
mode, and Plug & Play control logic.
The DM6588A MCU performs general modem
control functions, and is also designed to provide
Plug and Play capability for PCI bus systems.
DM6588A Block Diagram
DM6588A Features
• Control interface support
• Supports parallel and serial interfaces
• Includes a 80C32 micro-controller
• 256K bytes maximum external program memory
• 32K bytes data memory built in
• Provides automatic Plug and Play or software
configuration capabilities
• Virtual 16550A UART compatible parallel
interface
• Fully programmable serial interface:
- 6, 7 or 8-bit characters
- Even, odd, mark and none parity bit
generation and detection
- 1 and 2 stop bit generation
- Baud rate generation
- Includes I/O control logic for modem control
interface
Final 4
Version: DM562AP-DS-F03
Nov. 09, 2007