AT32UC3L064_1 ATMEL [ATMEL Corporation], AT32UC3L064_1 Datasheet - Page 745
AT32UC3L064_1
Manufacturer Part Number
AT32UC3L064_1
Description
AVR32 32-bit Microcontroller
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.AT32UC3L064_1.pdf
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31.4.3
Figure 31-5. JTAG and Boundary-Scan Access
31.4.4
Table 31-7.
31.4.5
32099A–AVR32–06/09
Pin Name
RESET_N
TCK
TMS
TDI
TDO
JTAG master
Block Diagram
I/O Lines Description
Product Dependencies
2nd JTAG
TMS
TMS
I/O Line Description
device
TCK
TCK
External reset pin. Used when enabling and disabling the JTAG.
Test Mode Select, sampled on rising TCK.
Pin Description
Test Clock Input. Fully asynchronous to system clock frequency.
Test Data In, sampled on rising TCK.
Test Data Out, driven on falling TCK.
TDO TDI
TDO
TDI
In order to use this module, other parts of the system must be configured correctly, as described
below.
TCK
TMS
TDO
TDI
JTAG
Instruction Register
Instruction register
scan enable
Controller
TAP
AVR32 device
JTAG data registers
Part specific registers
Device Identification
Service Access Bus
By-pass Register
Reset Register
Data register
Boundary scan enable
scan enable
interface
Register
SAB
...
Input
Output
Type
Input
Input
Input
Internal I/O
lines
AT32UC3L
Active Level
Low
745
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