SI3225-G-FQR Silicon Laboratories Inc, SI3225-G-FQR Datasheet - Page 49
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SI3225-G-FQR
Manufacturer Part Number
SI3225-G-FQR
Description
IC PROSLIC/CODEC DUAL 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
ProSLIC®r
Datasheet
1.SI3200-G-FSR.pdf
(112 pages)
Specifications of SI3225-G-FQR
Function
Subscriber Line Interface Concept (SLIC), CODEC
Interface
GCI, PCM, SPI
Number Of Circuits
2
Voltage - Supply
3.3V, 5V
Current - Supply
65mA
Power (watts)
941mW
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
64-TQFP, 64-VQFP
Includes
Battery Switching, BORSCHT Functions, DTMF Generation and Decoding, FSK Tone Generation, Modem and Fax Tone Detection
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SI3225-G-FQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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Parameter
Ground Key Interrupt Pending
Ground Key Interrupt Enable
Ground Key Linefeed Shadow
Ground Key Detect Status
Ground Key Detect Debounce
Interval
Longitudinal Current Sense
Ground Key Threshold
(enabled)
Ground Key Threshold
(released)
Ground Key Filter Coefficient
*Note: The usable range for LONGHITH and LONGLOTH is limited to 16 mA. Setting a value >16 mA will disable threshold
detection.
Table 28. Register and RAM Locations Used for Ground Key Detection
Mnemonics
LONGLOTH
LONGHITH
LINEFEED
LONGLPF
LONGDBI
IRQVEC2
Register/
LCRRTP
IRQEN2
ILONG
RAM
LONGLPF[15:3]
LONGDBI[15:0]
Register/RAM
GLOTH[15:0]
ILONG[15:0]
HITH[15:0]
Rev. 1.3
LONGHI
LFS[2:0]
LONGS
LONGE
LONG-
LON-
Bits
Si3220/25 Si3200/02
Programmable
Monitor only
Monitor only
Monitor only
0 to 40.96 s
101.09 mA*
101.09 mA*
0 to 4000h
Yes/No
Yes/No
Range
0 to
0 to
3.097 µA
3.097 µA
1.25 ms
LSB
Size
N/A
N/A
N/A
N/A
N/A
See Table 21
Resolution
396.4 µA
396.4 µA
1.25 ms
N/A
N/A
N/A
N/A
N/A
49
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