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1. When using the E6000 emulator for the H8S/2633 group, turn on the emulator according to the
procedures described in the H8S Family E6000 Emulator User's Manual (HS2000EPI61HE).
2. Verify the user system interface cable connections by accessing the external memory and ports to
check the bus states of the pins with the MEMORY_FILL command (emulator command). If an
error is detected, recheck the soldered IC socket and the location of pin 1.
3. The emulator connected to this user system interface cable supports two kinds of clock sources as
the MCU clock: an emulator internal clock and an external clock on the user system. For details,
refer to the Emulator Supplementary Information (HS2633EPI61HE).
To use the emulator internal clock
Select the clock in the emulator station as the system clock (φ), by using the CLOCK
command (emulator command).
To use the external clock on the user system
Select external clock t or t2 with the CLOCK command (emulator command). Supply the
external clock from the user system to the emulator.
Connect a crystal oscillator to the EXTAL and XTAL terminals for the system clock (φ), or
input the external clock from the EXTAL terminal on the cable head.
Connect a crystal oscillator to the OSC1 and OSC2 terminals for the subclock, or input the
external clock from the OSC1 terminal on the cable head.
The user system interface cable has the oscillator circuits shown in figure 10. For details,
refer to section 23, Clock Pulse Generator, in the H8S/2633 Group Hardware Manual.
R1 1 M
HCU04
HCU04
R2 270
EXTAL XTAL
System clock oscillator
16
Section 4 Verifying Operation
R5 3.3 M
To E6000
emulator
HCU04
OSC1
OSC2
Subclock oscillator
Figure 10 Clock Oscillator Circuits
R13 10 k
R12 2.2 k
HCU04
R6 470 k
To E6000
emulator
HCU04
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