SI3220-KQ Silicon Laboratories Inc, SI3220-KQ Datasheet - Page 65

• Manufacturer Part Number: SI3220-KQ
• Description: IC SLIC/CODEC DUAL-CH 64TQFP
• Manufacturer: Silicon Laboratories Inc
• Series: ProSLIC®r

Specifications of SI3220-KQ

• Package / Case: *
• 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
• Includes: Battery Switching, BORSCHT Functions, DTMF Generation and Decoding, FSK Tone Generation, Modem and Fax Tone Detection
• Product: Telecom
• Supply Voltage (min): 3.13 V
• Supply Current: 22 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Number Of Channels: 2
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

In Figure 42 the CID field is 0. As this field is decremented (in LSB to MSB order) the value decrements for each
SDI down the line. The BRDCST, R/W, and REG/RAM bits remain unchanged as the control word passes through
the entire chain. The odd SDIs are internal to the device and represent the SDI to SDI_THRU connection between
channels of the same device. A unique CID is presented to each channel, and the channel receiving a CID value of
zero is the target of the operation (channel 0 in this case). The last line of Figure 42 illustrates that in Broadcast
mode, all bits pass through the chain without permutation.
SDI0
SDI1 (Internal)
SDI2
SDI3 (Internal)
SDI 14
SDI15 (Internal)
SDI0-15
Figure 42. Sample SPI Control Word to Address Channel 0
BRDCST
0
0
0
0
0
0
1
R/W
A
A
A
A
A
A
A
REG/RAM
Preliminary Rev. 0.91
SPI Control Word
B
B
B
B
B
B
B
Reserved
C
C
C
C
C
C
C
CID[0]
D
0
1
0
1
0
1
CID[1]
0
1
1
0
1
0
E
Si3220/Si3225
CID[2]
0
1
1
1
0
0
F
CID[3]
G
0
1
1
1
0
0
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