Specifications

DM562P
V.90 Integrated Data/ Fax/Voice/Speakerphone
Modem Device Single Chip with Memory Built in
8 Final
Version: DM562P-DS-F01
February 02, 2004
DM6588 Pin Description
Pin No.
External
Pin No.
Internal
PCI
Pin No.
Internal
ISA
Pin Name I/O Description
1 1 1 TEST4 I Test pin 4, normal ground.
External: N/C (low).
PCI: N/C (low).
ISA: connect to 3.3V.
2,3,4,5,
9,10,11,
12
UD0 - UD7 O Modem Control Output, for external modem:
Memory address mapping of the controller is
E800H.
8 RxDCLK I
Receive Data Rate Clock:(External)
This pin is used as reference clock of DSPRXD
pin.
18 68 68 RD_SP2 I
Data Input Pin Of The Serial Port 2:
The serial data is sampled at the falling edge of the
SCLK. The MSB is coming immediately after the
falling of FR_SP2 signal.
19 TXDCLK I
Transmit Data Rate Clock:(External)
This pin is used as reference clock of DSPTXD
pin.
21 DSPTxD I
Modem Transmit Data (External)
Shifted into DM6581/DM6582 from EIA port
through this pin at the rising edge of TXDCLK.
28 69 69 RD_SP1 I
Data Input Pin Of The Serial Port 1:
The serial data is sampled at the falling edge of the
SCLK. The MSB is coming immediately after the
falling of FR_SP1 signal.
6,20,37
50,77,80,
89,107,
118,123
6,20,37
50,80,89
107,118,
123
6,20,37
50,77,80,
89,107,
118,123
GND P Ground
22,
23,
24,
25
OUTP3,
OUTP2,
OUTP1,
OUTP0
O Modem Control Output
For external modem, these pins are bit7~4 of the
modem control output. Memory address mapping
of the controller is C800H.
29,
30,
31,
32
INP3,
INP2,
INP1,
INP0
I Modem Control Input:(External)
These pins are bit3~0 of the modem control input.
Memory address mapping of the controller is
C800H.
33,45
67,94,
113,128
33,45,
67,94,
113,128
33,45,
67,94,
113,128
VDD P +3.3V Power Supply
13,74 13,74 13,74 VCC P +2.5V Power Supply
34 34 34 TEST2 I Test pin 2,normal ground
35 35 35 TEST3 I Test pin 3,normal ground
36 RESET I Reset:
An active high signal used to reset the DM6588.
42 42 42 XTAL1 I Crystal Oscillator Input