M30870T2-CPE User’s Manual
2. Setup
REJ10J0766-0400 Rev.4.00 February 16, 2006
(2) Setting JP1, SW1 to SW4 on the M30870T-EPBM
Table 2.6 shows the settings of JP1, SW1 to SW4 on the M30870T-EPBM REV.B, and Table 2.7 shows the settings of JP1,
SW1 to SW4 on the M30870T-EPBM REV.C.
Table 2.6 Switch settings of the M30870T-EPBM REV.B (JP1, SW1 to SW4)
Switch Switch
name
Setting
Description
VC
C1
=
2
VC
C1
>
2
(Factory-setting)
3.0 V
≤
VCC1 = VCC2
≤
5.5 V
JP1* VDDIO
VC
C1
=
2
VC
C1
>
2
4.8 V
≤
VCC1
≤
5.2 V and 3.0 V
≤
VCC2 < VCC1
AVCC
AVSS EXT
INT
(Factory-setting)
Connects pins AVCC and AVSS of the MCU to the user system.
SW1
AVCC
AVSS
AVCC
AVSS EXT
INT
Connects pin AVCC of the MCU to the internal power supply of the
emulator, and connects pin AVSS to the GND in the emulator.
XCIN
P87
VCONT
(Factory-setting)
Connects pin P87 of the MCU to the user system.
XCIN
P87
VCONT
Connects pin P87 of the MCU to the sub-clock oscillator circuit
(32.768 kHz).
SW2 P87
XCIN
P87
VCONT
Do not set to VCONT.
Pin P87 is disconnected.
VSS
NC
P86
(Factory-setting)
Connects pin P86 of the MCU to the user system.
VSS
NC
P86
Does not connect pin P86 of the MCU.
SW3 P86
VSS
NC
P86
Do not set to VSS.
Connects pin P86 to the VSS in the emulator.
XOUT
NC
(Factory-setting)
Does not connect pin XOUT of the MCU.
SW4 XOUT
XOUT
NC
Connects pin XOUT of the MCU to the user system.
* This JP1 is not the MCU Power Supply Source Selection Jumper (JP1) on the upper side of the emulator.
Be careful about the direction when connecting.
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