Datasheet

881
32142D–06/2013
ATUC64/128/256L3/4U
34.6.3 Block Diagram
Figure 34-8.
aWire Debug Interface Block Diagram
34.6.4 I/O Lines Description
34.6.5 Product Dependencies
In order to use this module, other parts of the system must be configured correctly, as described
below.
Table 34-29. I/O Lines Description
Name Description Type
DATA aWire data multiplexed with the RESET_N pin. Input/Output
DATAOUT aWire data output in 2-pin mode. Output
UART
Reset
filter
External reset
AW_ENABLE
RESET_N
Baudrate Detector
RW SZ ADDR DATA
CRC
AW CONTROL
AW User Interface
SAB interface
RESET command
Power
Manager
CPU
HALT command
Flash
Controller
CHIP_ERASE command
aWire Debug Interface
PB
SAB