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On-Chip Debug Unit
(3)
V850
Note 1
DDI
Note 2
DCK
Note 1
DMS
Note 1
DDO
Note 1
DRST
Note 1
FLMD0
Note 4
RESET
Figure 23-6
Note
Caution
Example of recommended circuit
An example of the recommended circuit of the connector for emulator
connection (target system side) is shown below.
5 V
Example of recommended emulator connection circuit
1.
The pattern length must be 100 mm or less.
2.
Shield the DCK signal by enclosing it with GND.
3.
This pin is used to detect power to the target board. Connect the voltage of
the N-Wire interface to this pin.
4.
In a system that uses only POC reset and not pin reset, some emulators
input an external reset signal as shown in Figure 23-6 to set the
OCDM.OCDM0 bit to 1.
The N-Wire emulator may not support a 5 V interface and may require a level
shifter. Refer to the user's manual of the emulator to be used.
User's Manual U18743EE1V2UM00
KEL connector
8830E-026-170S
A1
Note 3
(Reserved 1)
V
DD
A2
(Reserved 2)
GND
A3
(Reserved 3)
GND
A4
(Reserved 4)
GND
A5
(Reserved 5)
GND
A6
(Reserved 6)
GND
GND
A7
DDI
GND
A8
DCK
GND
A9
DMS
GND
A10
DDO
GND
A11
DRST
(Reserved 8)
A13
FLMD0
(Reserved 9)
A12
RESET
Chapter 23
5 V
B13
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
733
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