Panasonic KX-NCP1104XJ (serv.man2) Service Manual ▷ View online
5
KX-NCP1104XJ
3 Specifications
Following table shows the specification list of the 4Ch VoIP DSP card.
Functional Block
Functional contents
On-board
DC/DC Power Supply
DC/DC Power Supply
Input: +3.3V
Output: +1.2V
Output: +1.2V
DSP
• 4-Channel VoIP Control
• Supported Voice Codec Standards: G.711, G.729A
• Echo Cancellation
• RTP/RTCP
• Fax Tones Detection and Generation
• DTMF Detection and Generation
• Supported Voice Codec Standards: G.711, G.729A
• Echo Cancellation
• RTP/RTCP
• Fax Tones Detection and Generation
• DTMF Detection and Generation
6
KX-NCP1104XJ
4 Technical Descriptions
4.1.
Block Diagram
3.3V
PCI_bus
RMII bus
TDM_bus
PCI_nRST
(4MHz)
32bit/33MHz
(133MHz)
IC5, IC6
6pin
50+2pin
DC/DC
IC1
PHY
3.3VD
3.3VD
1.2VD
3.3VD/1.2VD
3.3VD
IC4
RMII i/f
PCI i/f
TDM i/f
TDM0
TDM0
TDM1
TDM2
TDM3
refclk i/f
refclk_miro
RESET#
EXP Bus i/f
OSC
50MHz
4pin
120Pin
DSP (M82501)
SDRAM
64Mbit (x16)
SDRAM
64Mbit (x16)
IC2
X2
OSC
10MHz
X1
CN1
KX-NCP1104XJ BLOCK DIAGRAM
7
KX-NCP1104XJ
4.2.
Circuit Operations
4.2.1.
Brief Description of Blocks
4.2.2.
DSP Block
Configuration :
DSP (IC2), SDRAM (IC5, IC6), PHY (IC4), DSP system clock 10MHz (X1), Ethernet clock 50MHz (X2).
Function :
DSP (IC2)
• Power Supply : +1.2V and +3.3V.
• Package : 484-ball PFBGA.
• Operating Clock : 10MHz.
• Supported Voice Codec Standards : G.711, G.729A.
• Echo Cancellation.
• RTP/RTCP.
• Fax Tones Detection and Generation.
• DTMF Detection and Generation.
• Package : 484-ball PFBGA.
• Operating Clock : 10MHz.
• Supported Voice Codec Standards : G.711, G.729A.
• Echo Cancellation.
• RTP/RTCP.
• Fax Tones Detection and Generation.
• DTMF Detection and Generation.
SDRAM (IC5, IC6)
• Execution Area of DSP Firmware.
PHY (IC4)
• Power Supply : +3.3V.
• Package : 64-pin TQFP.
• 100BASE-TX IEEE 802.3u fast Ethernet transceiver.
• RMII I/F.
• Package : 64-pin TQFP.
• 100BASE-TX IEEE 802.3u fast Ethernet transceiver.
• RMII I/F.
4.2.3.
Power Supply Block
As for the power of this card, +3.3V is supplied from board-to-board connector (CN1). DC/DC converter generates 1.2VD from a
+3.3V power supply.
+3.3V power supply.
Block Name
Functional Outline
Power Supply
P.S.
DC/DC Power Supply.
Supply +1.2V from 3.3V power supply.
Supply +1.2V from 3.3V power supply.
DSP I/F
DSP CON
Connector to mount VoIP DSP Sub Board.
Mount the LAN Interface Part including DSP on this board.
Mount the LAN Interface Part including DSP on this board.
DSP
Realization of 4-Channel and VoIP function
Supported Voice Codec Standards: G.711, G.729A
Echo Cancellation
RTP/RTCP
Fax Tones Detection and Generation
DTMF Detection and Generation
Supported Voice Codec Standards: G.711, G.729A
Echo Cancellation
RTP/RTCP
Fax Tones Detection and Generation
DTMF Detection and Generation
OSC10M
System Clock of DSP (10MHz)
PHY
100BASE-TX IEEE 802.3u fast Ethernet transceiver.
RMII I/F.
RMII I/F.
OSC50M
Quartz crystal oscillator for DSP and PHY(50MHz)
8
KX-NCP1104XJ
5 Location of Controls and Components
5.1.
Names and Locations
Click on the first or last page to see other KX-NCP1104XJ (serv.man2) service manuals if exist.