SI3210DC1-EVB Silicon Laboratories Inc, SI3210DC1-EVB Datasheet - Page 38
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SI3210DC1-EVB
Manufacturer Part Number
SI3210DC1-EVB
Description
MCU, MPU & DSP Development Tools Si3210M Daughter Crd W/ SI3201 INTERFACE
Manufacturer
Silicon Laboratories Inc
Datasheet
1.SI3210MPPQX-EVB.pdf
(146 pages)
Specifications of SI3210DC1-EVB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Si3210/Si3211
The power dissipation on the NPN bipolar transistor
driving the RING terminal can become large and may
require a higher power rating device. The non-tracking
mode of operation is required by specific terminal
equipment that, in order to initiate certain data
transmission modes, goes briefly on-hook to measure
the line voltage to determine whether there is any other
off-hook terminal equipment on the same line.
38
DC-DC Converter Power-off
Control
DC-DC Converter Calibration
Enable/Status
DC-DC Converter PWM Period
DC-DC Converter Min. Off Time
High Battery Voltage—V
Low Battery Voltage—V
V
Note: The ProSLIC uses registers that are both directly and indirectly mapped. A “direct” register is one that is mapped
OV
directly. An “indirect” register is one that is accessed using the indirect access registers (direct registers 28 through
31).
V
V
BATL
Parameter
Figure 19. V
Table 28. Associated Relevant DC-DC Converter Registers
TRACK=0
BATL
BATH
Constant I Region
TIP
(0 to 1.892 µs) + 4 ns
, V
0 to 15.564 µs
0 to –94.5 V
0 to –94.5 V
0 to –13.5 V
V
RING
0 to –9 V or
OV
Range
N/A
N/A
, and V
Rev. 1.5
BAT
V
I
LIM
OC
|V
TRACK = 0 mode is desired since the regulator output
voltage has long settling time constants (on the order of
tens of milliseconds) and cannot change rapidly for
TRACK = 1 mode. Therefore, the brief on-hook voltage
measurement would yield approximately the same
voltage as the off-hook line voltage and cause the
terminal equipment to incorrectly sense another off-
hook terminal.
in the Forward Active State
TIP
Resolution
V
- V
61.035 ns
61.035 ns
CM
1.5 V
1.5 V
1.5 V
RING
N/A
N/A
|
Constant V Region
V
OV
Register Bit
DCTOF[4:0]
VBATH[5:0]
VMIND[3:0]
VBATL[5:0]
DCN[7:0]
DCCAL
DCOF
VOV
V
OC
Direct Register 14
Direct Register 93
Direct Register 92
Direct Register 93
Direct Register 74
Direct Register 75
Indirect Register 41
Direct Register 66
V
Location
V
R
V
TIP
RING
LOOP
BAT
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