
R0E417250MCU00 User
’s Manual
R20UT3587EJ0302 Rev.3.02
Page 221 of 232
Sep.01. 21
7.3 Connection Diagram
7.3.1 Connection Diagram for the R0E417250MCU00
Figure 7.1 shows a partial circuit diagram of the connections of the R0E417250MCU00. This diagram mainly shows the
circuitry to be connected to the user system. Other circuitry, such as that for the emulator’s control system, has been omitted.
See this diagram for reference when you use the MCU unit.
H8SX/1700 EVA CHIP
R5E61700
XTAL,OSC1(OPEN)
EXTAL
XTAL,OSC1(OPEN)
EXTAL
RES#
* Connected to the inside of the emulator
※
VSL,VCL,EMLE,OSC2(OPEN)
C
AVCC0,AVCC1
AVSS
VCC
33
Ω
AVCC0,AVCC1
AVSS
74S1053
STBY#
STBY#
VSL,VCL,EMLE,OSC2
510k
Ω
VCC
RES#
※
VSS
VSS
User
system
※
※
VCC
※
VCC
※
510k
Ω
510k
Ω
※
1M
Ω
P1_0
~
P1_7,P2_0
~
P2_7,
P6_0
~
P6_7,PA_0
~
PA_2,PA_7,
PF_0
~
PF_7,PJ_0
~
PJ_7,
PK_0
~
PK_7
※
MD0
~
MD2
MD0
~
MD2
※
※
510k
Ω
VCC
VCC
510k
Ω
VCC
※
P4_0
~
P4_7,P5_0
~
P5_7
P4_0
~
P4_7,P5_0
~
P5_7
P3_0
~
P3_7,PA_3
~
PA_6,
PD_0
~
PD_7,PE_0
~
PE_7,
PH_0
~
PH_7,PI_0
~
PI_7
C
AVREF0,AVREF1
AVREF0,AVREF1
1M
Ω
SN74CB3Q3306A
WDTOVF#
WDTOVF#
SN74CB3Q3306A
33
Ω
VCC
74S1053
P1_0
~
P1_7,P2_0
~
P2_7,
P6_0
~
P6_7,PA_0
~
PA_2,PA_7,
PF_0
~
PF_7,PJ_0
~
PJ_7,
PK_0
~
PK_7
P3_0
~
P3_7,PA_3
~
PA_6,
PD_0
~
PD_7,PE_0
~
PE_7,
PH_0
~
PH_7,PI_0
~
PI_7
V0
~
V3
V0
~
V3
NMI#
NMI#
510k
Ω
VCC
※
※
Figure 7.1 Connection diagram for R0E417250MCU00