參數(shù)資料
型號: SI3220-G-GQR
廠商: Silicon Laboratories Inc
文件頁數(shù): 6/112頁
文件大?。?/td> 0K
描述: IC PROSLIC/CODEC DUAL 64TQFP
標準包裝: 1,250
系列: ProSLIC®
功能: 用戶線路接口概念(SLIC),CODEC
接口: GCI,PCM,SPI
電路數(shù): 2
電源電壓: 3.3V,5V
電流 - 電源: 65mA
功率(瓦特): 941mW
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-TQFP
供應(yīng)商設(shè)備封裝: 64-TQFP(10x10)
包裝: 帶卷 (TR)
包括: 電池切換,BORSCHT 功能,DTMF 生成和解碼,F(xiàn)SK 音調(diào)生成,調(diào)制解調(diào)器和傳真音調(diào)檢測
Si3220/25 Si3200/02
Rev. 1.3
103
Not
Recommended
fo
r N
ew
D
esi
gn
s
28, 52,
53
NC
No Internal Connection.
Leave unconnected or connect to ground plane.
28, 52
RTRPb,
RTRPa
I
External Ring Trip Sensing Input.
Used to sense ring-trip condition when using centralized ring
generator. Connect to low side of ring sense resistor.
30, 50
TRD2b,
TRD2a
O
Test Relay Driver Output.
Drives test relays for connecting loop test equipment.
31, 48
RRDb, RRDa
O
Ring Relay Driver Output.
Connects an external centralized ring generator to the sub-
scriber loop.
31, 48
GPOb, GPOa
O
General Purpose Output Driver.
Used as a relay driver or as a second battery select pin when
using a third battery supply.
32, 49
BATSELb,
BATSELa
O
Battery Voltage Select Pin.
Switches between high and low external battery supplies.
35
DRX
I
Receive PCM Data.
Input data from PCM/GCI bus.
36
DTX
O
Transmit PCM Data.
Output data to PCM/GCI bus.
39
PCLK
I
PCM Bus Clock.
Clock input for PCM/GCI bus timing.
33
RESET
I
Reset.
Active low. Hardware reset used to place all control registers in
a known state. An internal pulldown resistor asserts this pin low
when not driven externally.
34
FSYNC
I
Frame Sync.
8 kHz frame synchronization signal for PCM/GCI bus. May be
short or long pulse format.
40
INT
O
Interrupt.
Maskable interrupt output. Open drain output for wire-ORed
operation.
43
SCLK
I
Serial Port Bit Clock Input.
Controls serial data on SDO and latches data on SDI.
44
SDO
O
Serial Port Data Out.
Serial port control data output.
45
SDI
I
Serial Port Data In.
Serial port control data input.
Pin Number(s)
Symbol
Input/
Output
Description
Si3220
Si3225
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