DM562P
V.90 Integrated Data/ Fax/Voice/Speakerphone
Modem Device Single Chip with Memory Built in
DM6580 Pin Description
Pin No.
48pin
Pin Name
I/O
Description
LQFP
2
3
4
7
8
9
10
15
RXIN
AVDDR
SPKR
I
I
Receive Analog Input
Analog VDD For The Receiver Analog Circuitry (+5VDC
Speaker Driver
Receive Data Clock
Digital Power
Receive Sample Clock
Receive Frame Synchronization
Data Output For Receiver
)
O
O
P
O
I
RXDCLK
VDD
RXSCLK
RFS
DOR
O
I
16
DIR
Data Input For Receiver
17
18
19
20
22
26
27
28
29
30
33
35
39
40
41
43
44
DGND
SCLK
DOT
DIT
TFS
TXSCLK*2
TXDCLK
CLKIN
/RESET
EXTCLK
Vr
AVDDT
TXA2
TXA1
P
O
O
I
Digital Ground
Serial Clock Synchronized With All Serial Data
Data Output For Transmitter
Data Input For Transmitter
Transmit Frame Synchronization
Transmit Sample Clock * 2
Transmit Data Clock
Master Clock Input (20.16MHz = 40.32MHz / 2 )
Codec Reset Input
External Transmit Data Clock
Internal Reference Voltage. Connect 0.1uF to DGND
Analog VDD For The Transmitter Analog Circuitry (+5VDC
Transmit Negative Analog Output
Transmit Positive Analog Output
Analog Receiver Circuitry Signal Return Path
Negative Reference Voltage, VCM - 1V
Common Mode Voltage Output, 2.5V
Positive Reference Voltage, VCM + 1V
Analog Transmitter Circuitry Signal Return Path
NC
I
O
O
I
I
I
O
I
)
O
O
P
O
O
O
P
N
AGNDR
VREFN
VCM
45
46
VREFP
AGNDT
NC
1,5,6,
11,12,13,
14,21,23,
24,25,31,
32,34,36,
37,38,42,
47,48
42
Final
Version: DM562P-DS-F01
February 02, 2004