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DM560P
V.90 Integrated Data/Fax/Voice/Speakerphone Modem Device Set
36
Preliminary
Version: DM560P-DS-P07
August 11, 2000
DM6580 Register Description
Register
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Programmed
Functions
TxCR0
R1
X3
X2
X1
X0
N3
N2
N1
N0
R0
S
T
Tx Data Rate
Clock
TxCR1
Q1
D
M1M0Q0
F
Y
U2
U1
U0
Tx Baud
sample Clock
TxCR2
Vol1
Vol2
F1
F0
W
ATT
LTX
LC
SST
EMX
VF
Miscellaneous
control
TxTest
Reserved
RxCR0
R1
H2
H1
H0
N3
N2
N1
N0
R0
S
T
Rx Data Rate
Clock
RxCR1
Q1
RST
D
M1
M0
Q0
P
Y
U2
U1
U0
Rx Baud
SampleClock
RxCR2
-6dB
LL
PS4
PS3
PS2
PS1
PS0
AP2
AP1
AP0
Rx Phase Shift
Control
RxTest
Reserved
DM6580 Absolute Maximum Ratings*
Power supply voltage -0.5V to +7.0V
Case temperature 0
o
C to 85
o
C
Storage temperature -65
o
C to 150
o
C
Applied voltage on any pin
-0.5V
≤ VIN ≤ VDD+0.5V
*Comments
Stresses above those listed under “Absolute
Maximum Ratings” may cause permanent damage
to the device. These are stress ratings only.
Functional operation of this device at these or any
other conditions above those indicated in the
operational section of this specification is not implied
or intended. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
DM6580 DC Electrical Characteristics (VDD = 5V, Tc = 0
o
C to 85
o
C)
Symbol
Parameter
Min.
Typ.
Max.
Un
it
Conditions
VDD
Operating Voltage
4.75
5
5.25
V
VCM
Output Common Mode Voltage
2.5
V
IDD
Supply Current
25
m
A
VIL
Input Low Voltage
0.8
V
VIH
Input High Voltage
2.2
V
VOL
Output Low Voltage
0.4
V
VOH
Output High Voltage
2.4
V
IiL
Input leakage Current
-10
±1
10
µA VI=0V,5.25V
CIN
Input Capacitance
5
pF
VREF
Differential Reference Voltage
Output
1.9
2
2.1
V
VCMD_OUT
Output Common Mode Offset
-200
200
m
V
=(TxA1+TxA2)/2-VCM
VDIF_OUT
Differential Output Voltage
3 *VREF
V
TxA1-TxA2
≤ 3*VREF
VOFF_OUT
Differential Output DC Offset
Voltage
-100
100
m
V
VDC (TXA1)-VDC (TXA2)
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