HS2339EPI61H-U Renesas Electronics America, HS2339EPI61H-U Datasheet - Page 173
HS2339EPI61H-U
Manufacturer Part Number
HS2339EPI61H-U
Description
EMULATOR BASE UNIT H8S/2339 FAM
Manufacturer
Renesas Electronics America
Type
Microcontrollerr
Datasheet
1.HS2339EPI61H-U.pdf
(430 pages)
Specifications of HS2339EPI61H-U
Contents
E6000 Emulator and CD-ROM
For Use With/related Products
H8S/2339
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
- Current page: 173 of 430
- Download datasheet (4Mb)
2.6.6
A voltage follower circuit is implemented on the emulator which allows the user system voltage level from the
user system to be monitored. This monitored voltage level is automatically supplied to the logic on the emulator
and is derived from the emulator power supply unit. This means that no power is taken from the user system
board.
If no user system interface cable is connected to the emulator, the emulator will operate at a specified voltage
and all clock frequencies will be available to the user. If the user system interface cable is attached, the emulator
will match the voltage supplied to the user target in all cases; i.e. even when the user V
voltage for the MCU. You must be careful not to select an invalid clock frequency. When the emulator is
connected to the user system and the user system is turned off, the voltage follower circuit output voltage level is
0 V. In this case, the emulator will not operate correctly.
You can set a user V
the user V
Down, otherwise OK is displayed.
1. Do not connect the user system interface cable to the emulator
2. Turn on the user system before starting up the emulator.
User Vcc level
User Vcc
threshold
E6000
Vcc level
Voltage Follower Circuit
without user system connection.
CC
drops below this threshold, [User System Voltage] in the [Extended Monitor] window will display
CC
Figure 2.10 Voltage Level Monitoring (Example for Vcc = 3.3 V)
threshold in the range Vcc max. – 0 V by using the emulator configuration dialog box. If
Down
3.3 V
3.3 V
0 V
OK
0 V
User
threshold
CAUTION
The user system interface
cable is not connected.
CC
is below the operating
145
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