NEC v850-sf1 Manuale Utente

Pagina di 35
CHAPTER  2    NAMES AND FUNCTIONS OF COMPONENTS
User’s Manual  U15447EJ1V0UM
20
2.2
Clock Settings
This section describes the clock settings.
For the position of the JP1 and JP2 in the IE-703079-MC-EM1, refer to Figure 2-1.
For the jumper switch position in the IE-703002-MC, refer to the IE-703002-MC User’s Manual (U11595E).
2.2.1 Main system clock setting
Table 2-1.  Main System Clock Setting
IE-703079-MC-EM1 Setting
IE-703002-MC Setting
Emulator Use
Environment
Clock Supply
Method
JP1
JP2
SW1
SW2
JP2
When using
emulator as
standalone unit
Internal clock
OFF
1
7
8
2
When using
emulator with
target system
Internal clock
ON
Caution  Emulation cannot be performed by inputting a clock from the target board.
The specifications of JP1 are as follows.
1
7
1
7
1
2
3
1
2
3
GND
1 M
Ω
GND
V850/SF1
I/O chip
X1
X2
1
10 pF
16 MHz
7
10 pF