E1/E20/E2/E2 Lite Additional Document 1. Overview
R20UT1994EJ0900 Rev.9.00 Page
of 58
Jan.20.22
Table 1-2 Debugging Function List
Memory reference or change during program execution
Pseudo-real-time RAM monitor
(RRM)
CPU is used when monitoring
Dynamic Memory Modification
(DMM)
CPU is used when changing
Can be used for hardware break
(or trace*1)
Execution address or data access
Branch source PC information
User program execution start and event
start
User program stop, event completion, and
full trace memory
Performance
measurement
function
Between start and stop of user program
execution
Resolution: 100 μs
Maximum measurement time: 119 hours
18 min
Coverage measurement function
Extended
function of the
E2
Solution for the
tuning of current
consumption
Current consumption by the user system is
measured when the power is supplied from
the E2.
External trigger
input/output
External triggers can be input to or output
from the E2 expansion interface.
Notes: 1. Only devices in which the trace function was implemented.
2. The trace function is not supported in an RL78/G14 MCU whose ROM size is 64 Kbytes or less. The trace
function is also not supported for RL78/G11, RL78/G1G, and RL78/FGIC MCUs.
3. Only RL78/F1x series(except F12), RL78/F2x
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