GMS84512 Datasheet, PDF (94/123 Pages) Hynix Semiconductor – 8-BIT SINGLE CHIP MICROCOMPUTER

GMS 84512 / 84524
5.1.2 Cautionary notes
1.When changing board at expansion slot. You must ensure that power is off.
2. Check and ensure that power for emulator & user system is supplied separately and if this is so,
EVA power option jumper must be open before using.
3. Check polarity & connection location when connecting power cable, serial cable or interface
cable to board.
¨ ÎIf Emulator & USER System use same Power Source
SHORT
EMULATOR
EVA BOARD
Vuser
MAIN BOARD
Vcc
GND
USER
Interface Cable
USER
SYSTEM
Vcc
GND
Power
Source
¨ ÎIf Emulator & USER System use different Power Source
OPEN
EMULATOR
EVA BOARD
Vuser
MAIN BOARD
Vcc
GND
USER
Interface Cable
USER
SYSTEM
Vcc
GND
Power
Source 1
Power
Source 2
FIG 5.1.2 Connecting emulator & user system
5-2