DM562AP
V.90 Integrated Data/ Fax/Voice/Speakerphone
Modem Device Single Chip with Memory Built in
42
Preliminary
Version: DM562AP-DS-P02
March 05, 2004
DM6580 Pin Description
Pin No.
48pin
LQFP
Pin Name
I/O
Description
2
RXIN
I
Receive Analog Input
3
AVDDR
I
Analog VDD For The Receiver Analog Circuitry (+5VDC)
4
SPKR
O
Speaker Driver
7
RXDCLK
O
Receive Data Clock
8VDD
P
Digital Power
9
RXSCLK
O
Receive Sample Clock
10
RFS
I
Receive Frame Synchronization
15
DOR
O
Data Output For Receiver
16
DIR
I
Data Input For Receiver
17
DGND
P
Digital Ground
18
SCLK
O
Serial Clock Synchronized With All Serial Data
19
DOT
O
Data Output For Transmitter
20
DIT
I
Data Input For Transmitter
22
TFS
I
Transmit Frame Synchronization
26
TXSCLK*2
O
Transmit Sample Clock * 2
27
TXDCLK
O
Transmit Data Clock
28
CLKIN
I
Master Clock Input (20.16MHz = 40.32MHz / 2 )
29
/RESET
I
Codec Reset Input
30
EXTCLK
I
External Transmit Data Clock
33
Vr
O
Internal Reference Voltage. Connect 0.1uF to DGND
35
AVDDT
I
Analog VDD For The Transmitter Analog Circuitry (+5VDC)
39
TXA2
O
Transmit Negative Analog Output
40
TXA1
O
Transmit Positive Analog Output
41
AGNDR
P
Analog Receiver Circuitry Signal Return Path
43
VREFN
O
Negative Reference Voltage, VCM - 1V
44
VCM
O
Common Mode Voltage Output, 2.5V
45
VREFP
O
Positive Reference Voltage, VCM + 1V
46
AGNDT
P
Analog Transmitter Circuitry Signal Return Path
1,5,6,
11,12,13,
14,21,23,
24,25,31,
32,34,36,
37,38,42,
47,48
NC
N
NC
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