mc34216 Freescale Semiconductor, Inc, mc34216 Datasheet - Page 5

• Manufacturer Part Number: mc34216
• Description: Programmable Telephone Line Interface Circuit With Loudspeaker Amplifier
• Manufacturer: Freescale Semiconductor, Inc

T2 and supplies the externals (microcontroller, etc.) at V CC
which is stabilized by the MC34216. The V–I line
characteristic is programmed by the microcontroller and
adjusted by the external components Z0, Z1, Z21 and R1
which are in a regulator loop, acting on transistor T2. The ac
impedance is generated in a similar way. The handset and
loudspeaker can be connected directly to the MC34216 to
perform handset and listening–in operation. Via the bus, the
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When off–hook, the loop current flows through transistor
-T-
28
1
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28X
26X
0.010 (0.25)
D
G
-A-
M
T A
S
B
S
15
14
K
OUTLINE DIMENSIONS
-B-
C
PLASTIC PACKAGE
MC34216
SEATING
PLANE
CASE 751F–04
-T-
JAPAN: Nippon Motorola Ltd.; Tatsumi–SPD–JLDC, Toshikatsu Otsuki,
6F Seibu–Butsuryu–Center, 3–14–2 Tatsumi Koto–Ku, Tokyo 135, Japan. 03–3521–8315
HONG KONG: Motorola Semiconductors H.K. Ltd.; 8B Tai Ping Industrial Park,
51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852–26629298
R
DW SUFFIX
14X
ISSUE E
X 45
0.010 (0.25)
P
microcontroller programs the MC34216 to perform the
DTMF/pulse–dialing and provide supervisory tones, as well
as control other functions. The user keypad has to be
connected to the microcontroller. When on–hook, the SMPS
(TCA3385) supplies the circuit in the presence of a ringing
signal. The microcontroller programs the MC34216 and a
ringing melody can be generated via the loudspeaker.
from the microcontroller are in Table 1.
A summary of the control bits which can be programmed
M
B
M
M
J
*MC34216/D*
F
NOTES:
1. DIMENSIONING AND TOLERANCING PER
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSION A AND B DO NOT INCLUDE MOLD
4. MAXIMUM MOLD PROTRUSION 0.15
5. DIMENSION D DOES NOT INCLUDE
ANSI Y14.5M, 1982.
PROTRUSION.
(0.006) PER SIDE.
DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.13
(0.005) TOTAL IN EXCESS OF D
DIMENSION AT MAXIMUM MATERIAL
CONDITION.
DIM
M
A
B
C
D
F
G
J
K
P
R
MILLIMETERS
17.80
10.05
MIN
7.40
2.35
0.35
0.41
0.23
0.13
0.25
1.27 BSC
0
18.05
10.55
MAX
7.60
2.65
0.49
0.90
0.32
0.29
0.75
8
MC34216/D
0.701
0.292
0.093
0.014
0.016
0.009
0.005
0.395
0.010
MIN
0.050 BSC
0
INCHES
MAX
0.299
0.104
0.019
0.035
0.013
0.415
0.029
0.711
0.011
8
5