HD6417641 RENESAS [Renesas Technology Corp], HD6417641 Datasheet - Page 505
HD6417641
Manufacturer Part Number
HD6417641
Description
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
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This LSI incorporates a user debugging interface (H-UDI) and advanced user debugger (AUD) for
a boundary scan function and emulator support.
This section describes the H-UDI. The AUD is a function exclusively for use by an emulator.
Refer to the User's Manual for the relevant emulator for details of the AUD.
15.1
The user debugging interface (H-UDI) is a serial I/O interface which conforms to JTAG (Joint
Test Action Group, IEEE Standard 1149.1 and IEEE Standard Test Access Port and Boundary-
Scan Architecture) specifications.
The H-UDI in this LSI supports a boundary scan mode, and is also used for emulator connection.
When using an emulator, H-UDI functions should not be used. Refer to the emulator manual for
the method of connecting the emulator.
Figure 15.1 shows a block diagram of the H-UDI.
Features
Section 15 User Debugging Interface (H-UDI)
T RST
TDO
TMS
TCK
TDI
Figure 15.1 Block Diagram of H-UDI
TAP controller
SDBPR
MUX
Section 15 User Debugging Interface (H-UDI)
Rev. 4.00 Sep. 14, 2005 Page 455 of 982
Decoder
SDIR
SDID
Local
bus
REJ09B0023-0400
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