RL78/G1D
Evaluation Board
R30UZ0048EJ0170 Rev.1.70
Page
5
of
23
May.28,21
3. Settings
3.1
Slide Switch Settings
Table 3-1 shows the functions implemented by using the slide switches on the evaluation board and their operations.
In this table, the factory settings are shown in bold face and italicized. Figure 3-1 shows the positions at which the
slide switches are placed, and Figure 3-2 shows the factory setting of the slide switches.
Table 3-1 Functions of Slide Switches on RTK0EN0001D01001BZ
No.
Function
1-2 connected (left)
2-3 connected (right)
SW7
Selects DC/VBUS or battery as the
power supply.
Power is directly supplied
from the battery.
Power is supplied from the
DC/VBUS via a regulator.
SW8
Selects DC 5 V or VBUS as the
power supply.
Power is supplied from
DC 5 V.
Power is supplied from USB
VBUS.
SW9
Switches between USB and
external extension interface.
Connected to an external
extension interface.
Connected to a USB
device.
SW10
Switches the power supply line.
Power is supplied to the
module.
The power supply line is left
open. (Current consumption
can be measured by using
TP7 and TP8.)
SW11
Selects the E1 debugger (3.3 V) or
another source as the power
supply.
3.3 V is supplied directly
from the E1 debugger.
Power is supplied from a
source other than the E1
debugger (3.3 V).
SW12
Unused
Do not use this switch.
Set this switch to the right.
SW13
Connects or disconnects the USB
interface.
Note
The USB interface is
connected.
The USB interface is
disconnected.
Note:
When not using the USB interface, set SW9 to '1-2 connected' and SW13 to '2-3 connected'; these
disconnect the buffer power supply and prevent leak current flowing to the signal level conversion
buffer connected between the RL78/G1D and UART-USB conversion IC.
Figure 3-1 Mounting Positions of Slide Switches
SW13
SW10
SW9, SW11, SW7
SW12
SW8
Summary of Contents for RL78 Series
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