SH7144 Datasheet, PDF (639/773 Pages) Renesas Technology Corp – Hitachi SuperH RISC engine

Section 22 Hitachi User Debug Interface (H-UDI)
22.1 Overview
The Hitachi user debug 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. 2.0, 09/02, page 599 of 732