w91030b Winbond Electronics Corp America, w91030b Datasheet - Page 22

• Manufacturer Part Number: w91030b
• Description: Calling Line Identifier
• Manufacturer: Winbond Electronics Corp America

Tip/A
Ring/B
0.33uF
12K
Application Information, continued
Microcontroller Interface
The following table is the requirement of micorcontroller I/O pin to interface with the W91030B:
Note: "C" is connected with microcontroller, "O" is not connected with microcontroller, "H": this pin must set in high state.
CASE
Crystal is 3.579545MHz with 0.1% frequency tolerance.
1
2
3
4
5
6
7
0.1uF
RNGON
Resistor must have 1% tolerance.
Resistor may have 5% tolerance.
22nF
22nF
C
C
C
C
C
C
C
430K
430K
Vz
Figure 9-2. Application Circuit with Improved Common Mode Noise Immunity
SLEEP
+
-
C
C
C
C
C
C
C
+5V
+5V
+5V
470K
0.1uF
34K
34K
FSKE
200K
C
C
H
H
H
H
H
0.01uF
53K6
(This
DCLK
net
+5V
O
C
C
C
C
C
C
60K4
150K
0.22uF
must
- 22 -
as
DATA
464K
R1, R2 must calculated according to the formula of Fig. 7-6 (a)
for Bellcore or BT application.
FSK 3-wire interface Mode 0 selected.
short
C
C
C
C
C
C
C
as
Preliminary W91030B
FDRN
INP
INN
GCFB
VREF
CAP
RNGDI
RNGRC
RNGON
MODE
OSCI
OSCO
VSS
O
O
O
C
C
C
C
W91030B
FCDN
ALGRC
O
O
O
O
O
O
C
SLEEP/
RESET
ALGO
DATA
ALGR
FCDN
FDRN
DCLK
FSKE
INTN
TEST
VDD
+5V
INTN
O
O
O
C
C
C
C
R1
Must reset by
microcontroller
or by RC pulse.
+5V
0.1uF
R2
ALGO
C
C
C
C
C
C
C
+5V