Memotec CX950

8 DUAL ANALOG VOICE I/O CARD
3021M100-002
8-3
8.1.4 Programmable Logic Device
The Programmable Logic Device (PLD) performs three main functions: 1) An
interface between the DSP and the motherboard, 2) a logic interface between th
DSP and the SLIM LIDs, and 3) a clock distribution circuit for the AICs and the
DSP.
8.1.5 DAV I/O Connector Plate
The DAV I/O connector plate features two RJ connectors for external connections
to the voice/fax equipment; see Figure 8-3. The RJ connector is an integral part of
each SLIM LID.
Figure 8-2 DAV I/O Card, Simplified Block Diagram
CX950
I/O BUS
ADDRESS
BUS
DATA
BUS
CONTROL
VOICE
CHANNEL 2
VOICE
CHANNEL 1
I/O
CONNECTOR
PLATE
PLD
DSP
SRAM
AIC
AIC
VOICE
SLIM
LID
VOICE
SLIM
LID
STATUS & CONTROL
TX, RX
TX, RX
SERIAL
PORT 1
SERIAL
PORT 2