DOWNLOAD Panasonic KX-TDA0470XJ / KX-TDA0470X Service Manual ↓ Size: 4.01 MB | Pages: 83 in PDF or view online for FREE

Model
KX-TDA0470XJ KX-TDA0470X
Pages
83
Size
4.01 MB
Type
PDF
Document
Service Manual
Brand
Device
PBX / 16-CHANNEL VOIP EXTENSION CARD
File
kx-tda0470xj-kx-tda0470x.pdf
Date

Panasonic KX-TDA0470XJ / KX-TDA0470X Service Manual ▷ View online

17
KX-TDA0470XJ / KX-TDA0470X
6.4. ON-LINE COMMAND CHECK
18
KX-TDA0470XJ / KX-TDA0470X
7 BLOCK DIAGRAM
VoIPBUSY LED
ALARM LED
PCC - ASIC
IC202
SH4(7750R)
IC400
IC403,
405
RJ45
CN201
DPRAM
(1KB)
IC300
DSP
M82510
IC100
ON LINE LED
Serial
DC/DC 
CONVERTER
IC800
+15V
3.3V
1.5V
BB_IF
CN200
LPR(SH1)
IC100
FLASH
1MB
IC102
SRAM
512KB
IC103
16
16
8
8
8
nINT nINT
Lside
Rside
L_nRST
16
16
16
32
SCI_CN
32
BSC
PCM Highway
SCI
FLASH
8MB
IC500
PBX I/F
CT Bus
90 Pin
PCC L3
LED
Green/Red
CARD SATUS LED
HUDI
16
VoIP_nRST
CLKIO(66MHz)
BUS TRANS
16
DSP I/F (sub board)
16
CN
PHY
BCM5221
IC202
rMII
SDRAM
16MB
IC107
TDM
OSC
10M
X201
EC Bus
PWR_nRST
OPT_nRST
DC/DC CONVERTER
IC105
3.3V
1.2V
CN100
OSC
50M
X200
OSC 12M
X100
OSC 16M
X200
RST IC
IC201
PLD
IC201
I/O
LINK LED
DATA LED
ASIC
Power Supply
IP- Engine
SDRAM
64MB
IC501, IC502
Xtal
16M
X400
KX-TDA0470XJ/KX-TDA0470X BLOCK DIAGRAM
KX
-T
DA0
470X
J
/
KX
-T
DA0
470X
19
8 CIRCUIT OPERATIONS
8.1. BRIEF DESCRIPTION OF BLOCKS
Block Name
Functional Outline
Power Supply
P.S.
DC/DC Power Supply; Supply 3.3V, 1.5V, from 15V power supply.
Supply +1.2V from 3.3V power supply.
ASIC Block
RST-IC
Reset IC; Generate a reset of the PCC ASIC.
PCC-ASIC
ASIC by PCC, which controls interface between the cards of TDA100/200.
     • 
• 
• 
• Local bus controller
     • 
• 
• 
• TSW between a basic channel of the system and a local channel in the card
Operating Frequency: 16.384MHz
OSC16M
Crystal oscillator for PCC-ASIC (16.384MHz)
CARD STATUS LED
Display the status of the IP-EXT16 card by LED.
Displayed in red/green.
LPR Block
LPR
LPR control the process, which receive a message from the side of backboard and
convert it to a message to the IP-Engine.
OSC12M
Oscillator for LPR (12.288MHz)
FLASH
Store the above CPU program.
1024Kbyte (512K x 16bit)
SRAM
Used as the operational data area of the CPU.
512Kbyte (256K x 16bit)
PBX-IF
DPRAM
Two-way memory for communication between the CPU of the IP-Engine and the LPR.
IP-Engine
SH4
Proprietary Protocol Control
XTAL16M
Crystal oscillator for SH4 (16.384MHz is planned.)
ENGINE STS
LED group indicating the status of the engine block
(ONLINE, ALARM, VoIP BUSY)
SDRAM
Memory for storing program and data
64Mbyte (16M x 16bit x 2)
BUSDRV
Buffer to divide the SH4 bus into the high speed bus and the low speed bus.
FLASH
Memory for storing program and data
The FLASH of the dual operation type is used.
8Mbyte (4M x 16bit)
DSP I/F
DSP CON
Connector to mount DSP Sub Board.Mount the LAN Interface Part including DSP on this
board.
DSP
Realization of 16-Channel and VoIP function
Supported Voice Codec Standarda: G.711, G.729A
Echo Cancellation
RTP/RTCP
Fax Tones Detection and Generation
DTMF Detection and Generation
OSC10M
System Clock of DSP (10MHz)
PHY
10BASE-T/100BASE-TX IEEE 802.3u fast Ethernet transceiver.
Mll and RMII configurable.
Controls the LED of LINK and DATA.
OSC50M
Quartz crystal oscillator for DSP and PHY(50MHz)
PLD
For a switching control between 10BASE and 100BASE.
EPM3064ATC44-4 (ALTERA)
RJ45
Connector for LAN Interface (with built-in Filter), compliant with 10/100BASE-TX
8.2. IP-Engine
Configuration :
CPU (IC400), SDRAM (IC501/IC502), Flash ROM (IC500) Source clock 16.384MHz (X400), Spread spectrum clock generator
(IC406), etc.
Function :
CPU (IC400)
     • 
• 
• 
• This generates a select signal, and reads/stores data among peripherals.
     • 
• 
• 
• Proprietary Protocol Control.
     • 
• 
• 
• Communication with the Main Board of PBX.
Spread spectrum clock generator (IC406)
     • 
• 
• 
• This generates the clock that has constant fluctuations with a central focus on X400 clock output (16.384MHz), in order to
reduce unnecessary radiation.
20
KX-TDA0470XJ / KX-TDA0470X
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