Renesas HS2378KCI01H - Manual (Page 146)

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Notes: 1. The emulator uses #WDTOVF, P53, and PG4 to PG6 in the H8S/2377F and
H8S/2367F. Pull up the emulator and MCU pins and connect them to the user
system. Peripheral functions that are shared by these pins cannot be used.
Hitachi-UDI
port connector
4.7 k
H8S/2377F, H8S/2367F
Pins 1, 2, 3, 5, and 6
Vcc
Figure 6.3 Connection of Emulator
2. The EMLE pin in the H8S/2377F and H8S/2367F must be pulled up when
connecting with the emulator, and connected to GND when not connecting with
the emulator.
The emulator is connected
to the user system.
H8S/2377F, H8S/2367F
H8S/2377F, H8S/2367F
EMLE
Vcc
4.7 k
The emulator is not connected
to the user system.
EMLE
Figure 6.4 EMLE Pin and Emulator