W91031SG Nuvoton Technology Corporation of America, W91031SG Datasheet - Page 20

• Manufacturer Part Number: W91031SG
• Description: IC CALL LINE IDENT 24-SOIC
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W91031SG

• Function: Caller ID Device
• Interface: FSK
• Number Of Circuits: 1
• Voltage - Supply: 3 V ~ 5 V
• Current - Supply: 2.5mA
• Operating Temperature: 0°C ~ 75°C
• Mounting Type: Surface Mount
• Package / Case: *
• Includes: FSK Demodulator, Line Reversal Detector, Ring Detector
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power (watts): -

Tip/Ring
DATA
DCLK
FDRN
* Mark bit or redundant stop bit(s), will be omitted.
DATA
DCLK
V
HM
1* 1
= 0.7 V
Figure 8-6. Serial Data Interface Timing of FSK Demodulation in Mode 0
V
FDRN
HM
start
DD
0
= 0.7 V
, V
start
CT
b0 b1 b2
= 0.5 V
t
IDD
DD
Figure 8-4. Data and DCLK Mode 0 Ouput Timing
b0 b1 b2 b3 b4 b5 b6 b7
, V
CT
DD
t
R
1st byte data
= 0.5 V
, V
t
b3 b4 b5 b6 b7 1*
LM
RF
1st byte data
Figure 8-5. FDRN Output Timing
= 0.3 V
t
DD
CL
, V
LM
t
DD
DCD
= 0.3 V
t
RL
- 20 -
DD
1/f
stop
DCLK0
1
t
R
start
t
stop
CRD
0
t
RL
t
CDD
start
t
RR
b0 b1 b2 b3 b4 b5 b6 b7 1
t
CH
b0 b1 b2 b3 b4 b5 b6 b7
2nd byte data
Preliminary W91031
t
F
2nd byte data
t
F
V
V
V
HM
CT
LM
stop
V
V
V
V
V
V
start
CT
LM
HM
CT
0
stop
HM
LM
start
b0