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Section 4 user system interface circuits – Renesas H8SX/1658R User Manual

Page 35

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Section 4 User System Interface Circuits

Rev. 2.00 Sep. 08, 2008 Page 19 of 30

REJ10J1868-0200

Section 4 User System Interface Circuits

The following user system interface circuits are required to use the emulator with the user system
interface board.

MCU

User system

Sub-MCU

SN74CB3Q3306A

PJ2, PJ3
PK2-PK7

PO16-PO23
PO24-PO31

PD0-PD7
PE0-PE7

PD0-PD7 (PJ0-PJ7)
PE0-PE7 (PK0-PK7)

SN74CBTLV3257

47 k

Ω

Vcc

PJ0
PJ1
PJ4
PJ5
PJ6
PJ7
PK0
PK1

SN74CB3Q3306A

TIOCA6
TIOCB6
TIOCA7
TIOCB7
TIOCA8
TIOCB8
TIOCA9
TIOCB9

Figure 12 User System Interface Circuit (1)