R0E00008AKCE00EP63 Datasheet, PDF (122/158 Pages) Renesas Technology Corp – Microcomputer Development Environment System

Section 4 Example of Emulator Connection
Power-supply circuit
(only used for the power-supply
mode)
Emulator control circuit
100 kΩ
x3
74LVC125B
74LVC125B
74LVC125B
3.3 V
Vcc
3.3 V
SN74LVC2T45
Vcc
3.3 V
SN74LVC2T45
Vcc
3.3 V
10 kΩ
SN74LVC2T45
2CS2462
10 kΩ
1 MΩ
100 kΩ
22 Ω
22 Ω
22 Ω
22 Ω
22 Ω
User system connector
Vcc
8
P87
1
P85
11
NMI#
7
P86
5
RES#
13
Notes: 1. This figure omits the test circuits and pin numbers 2, 3, 4, 6, 9, 10, 12, and 14 for the user connector that are
not used when H8/300H Super Low Power series is connected.
2. The power of 74LVC125B is supplied from Vcc in the user connector (or in the power-supply circuit during
power-supply mode).
3. The pin numbers and corresponding MCU pin names are listed below.
Pin No.
1
5
7
8
11
13
H8/38537F
P85
P87
P32
Vcc
P86
RES#
Figure 4.5 Interface Circuit in the E8a Emulator (Reference)
Rev. 1.00 Aug. 03, 2009 Page 12 of 22
REJ10J2023-0100