JVC GR-DVA10

2-44
2.7 DECK CPU
2.7.1 Contents of DECK CPU processing
1) Mechanism control
•
Loading motor control
•
Drum motor control
•
Capstan motor control
2) Deck LSI control
•
DV DSP IC control
•
PRE / REC IC control
3) OSD control
•
On screen process
4) 1394 control
5) Sensor control
•
Tape sensor
•
Reel sensor
•
DEW sensor
•
Emergency process
2.7.2 DECK system composition
SYSCON
CPU
MDA
MECHA
DECK
DSP
DV_EQ
ON
SCREEN
PC I/F
UART
DV_ANA
PRE / REC
1394
PHY
DV
Terminal
DECK
CPU
16M
DRAM
16-bit
Parallel bus
Synchronous Serial
Communication
Synchronous Serial
Communication
16-bit
Multiplex bus
Fig. 2-7-1 DECK CPU system structure