SH7144_08 Datasheet, PDF (737/930 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series

22. User Debugging Interface (H-UDI)
Section 22 User Debugging Interface (H-UDI)
22.1 Overview
The user debugging interface (H-UDI) provides data transfer and interrupt request functions. The
H-UDI performs serial transfer by means of external signal control.
22.1.1 Features
The H-UDI has the following features:
• Five test signals (TCK, TDI, TDO, TMS, and TRST)
• TAP controller
• Two instructions
⎯ Bypass mode
Test mode conforming to IEEE 1149.1
⎯ H-UDI interrupt
H-UDI interrupt request to INTC
Note: This LSI does not support test modes other than the bypass mode.
HUD0001A_010020020700
Rev.4.00 Mar. 27, 2008 Page 693 of 882
REJ09B0108-0400