Datasheet

171
8246A–AVR–11/09
ATtiny2313A/4313
18.6 Register Description
The following section describes the registers used with the debugWire.
18.6.1 DWDR – debugWire Data Register
The DWDR Register provides a communication channel from the running program in the MCU
to the debugger. This register is only accessible by the debugWIRE and can therefore not be
used as a general purpose register in the normal operations.
Bit 76543210
DWDR[7:0] DWDR
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
Initial Value00000000