Specifications

DM562P
V.90 Integrated Data/ Fax/Voice/Speakerphone
Modem Device Single Chip with Memory Built in
DM6588 Pin Description-ISA Interface only
Pin No. Pin Name I/O Description
2-5,
9-12
UD0-UD3,
UD4-UD7
I/O Data Bus Signal:
These signals are connected to the data bus of the PC (or Host) I/O.
They are used to transfer data between the PC and the DM6588.
22-24 UA0-UA2 I System Address:
These signals are connected to the bus of PC (or Host) I/O. They are used to
select the DM6588 offset UART I/O address.
29 /IOWB I I/O Write:
An active low input signal used to write data to the DM6588.
30 /IORB I I/O Read:
An active low input signal used to read data from the DM6588.
31 /CSN I Address Enable:
This is an active low signal to enable the system address for DM6588.
36 /RST I Reset:
An active low signal used to reset the DM6588.
78 IRQ O Interrupt Request:
The active pin will go high when an interrupt request is generated from the
DM6588.
Final 11
Version: DM562P-DS-F01
February 02, 2004