HD6417144 RENESAS [Renesas Technology Corp], HD6417144 Datasheet - Page 738

• Manufacturer Part Number: HD6417144
• Description: 32-Bit RISC Microcomputer SuperHTM RISC engine Family/SH7144 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

22. User Debugging Interface (H-UDI)
22.1.2
Figure 22.1 shows a block diagram of the H-UDI.
Rev.4.00 Mar. 27, 2008 Page 694 of 882
REJ09B0108-0400
Block Diagram
TRST
TCK
TMS
TDI
TDO
[Legend]
SDIR:
SDSR:
SDDRH:
SDDRL:
SDBPR:
SDBPR
Mux
Figure 22.1 H-UDI Block Diagram
Instruction register
Status register
Data register H
Data register L
Bypass register
controller
TAP
TCK:
TMS:
TRST:
TDI:
TDO:
SDDRH
SDDRL
SDIR
SDSR
Test clock
Test mode select
Test reset
Test data input
Test data output
controller
Internal
bus
Decoder
interrupt
signal
H-UDI
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