System Control - Samsung DVD-P360/CDM Service Manual

Circuit Operating Descriptions

13-2 System Control

13-2-1 Outline
The main micom peripheral circuit is composed of 2Mbyte Flash Memory (ZIC3) for Microcode and data save, 2Kbit
EE-PROM (ZIC5), 4Kbit EE-PROM (ZIC5A)for permanent storage of data needed at power off, 128Mbit
SDRAM (ZIC2) for temporary data read and write.
The Micom (ZIC1 ; Vaddis 7) mounted in main board analizes the key commands of front panel or instructions of
remote control and controls the devices on board to execute the corresponding commands after initializing the
devices connected with micom on board at power on.
13-2-2 Block Diagram
RF Input Audio Out
ZIC1
MPEG DECODER
CPU (VADDIS 882)
DATA BUS
ZIC3
ADDRESS
FLASH MEMORY
2 Mbyte
Fig. 13-11
Samsung Electronics 13-7