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Figure 10 sw1 setting – Renesas H8/3814 Series User Manual

Page 20

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Figure 9 shows the system clock oscillator on the user system interface cable and the subclock input
specifications.

14

R2 270

R1 1 M

HCU04

HCU04

To E6000
emulator

OSC1

OSC2

System clock oscillator

0.8

Vcc

55

ns max.

55

ns max.

0.8

Vcc

0.3

Vcc

0

V

Vcc

Vcc: User System Vcc
(3.0 V to 5.0 V)

0.3

Vcc

Subclock input specifications

Figure 9 System Clock Oscillator and Subclock Input Specifications

4. Select the MCU type by setting the MCU type switch (SW1) as follows before using the user

system interface cable:
 For the H8/3834 series or H8/3814 series: Turn off the switch (to the 3834 side)
 For the H8/3877 series: Turn on the switch (to the 3876 side).

Figure 10 shows the allowable SW1 setting. Do not use any other setting.

SW1

3834

OFF

ON

3876

SW1

H8/3834series,
H8/3814 series

H8/3877 series

3834

OFF

ON

3876

Figure 10 SW1 Setting