SH7144_08 Datasheet, PDF (753/930 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series

23. Advanced User Debugger (AUD)
• Pin Functions in RAM Monitor Mode
Pin
Description
AUDCK
The external clock input pin. Input the clock to be used for debugging to this
pin. The input frequency must not exceed 1/4 the operating frequency.
AUDSYNC
Do not assert this pin until a command is input to AUDATA externally and the
necessary data can be prepared. For details, see the protocol description in
the following.
AUDATA3 to
AUDATA0
When a command is input externally, data is output after Ready transmit.
Output starts when AUDSYNC is negated. For details, see the protocol
description in the following.
Rev.4.00 Mar. 27, 2008 Page 709 of 882
REJ09B0108-0400