QB-V850MINIL, QB-V850MINI Emulator 3. On-Chip Debugging
R20UT0221EJ0400 Rev.4.00
Page 57 of 86
2013.08.30
Table 3-12. 2.54 mm Pitch General-Purpose Connector Pin Functions (for V850E2, V850E1, V850ES)
Pin No.
Signal Name
I/O
Note 1
Description
1
GND
−
Connect to GND
2
DCK
IN
Clock for DCU
3
GND
−
Connect to GND
4
DMS
IN
DCU state transition control signal
5
GND
−
GND
6
DDI
IN
Data signal transmitted to DCU
7
GND
−
Connect to GND
8
DRST#
IN
DCU reset signal
9
GND
−
Connect to GND
10
RESERVE
−
Open
11
GND
−
Connect to GND
12
RESET#
IN
System reset input signal (leave open when not used)
Note 2
13
GND
−
Connect to GND
14
FLMD0
IN
Flash programming mode setting signal (leave open when not used)
Note 3
15
GND
−
Connect to GND
16
RESERVE
−
Open
17
GND
−
Connect to GND
18
DDO
OUT
Data signal transmitted from DCU
19
GND
−
Connect to GND
20
V
DD
−
Power supply (The power supply for buffers of a debugging interface, or
for power supply detection of a target system)
Notes 1.
As seen from the target device.
2.
Refer to
3.5.4 Connecting the RESET# signal (for V850E2, V850E1, or V850ES)
.
3.
Refer to
3.5.3 Connecting the FLMD0 signal (for V850E2, V850E1, or V850ES)
.
