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The NB85E901 (RCU: Run Control Unit) is a run control unit that realizes the execution of JTAG communication
and debug processing. Connection of the NB85E901 with an N-Wire type in-circuit emulator (N-Wire type IE) makes
it possible to perform on-chip debugging on the NU85E.
10.1 Symbol Diagram
out
out
234
CHAPTER 10 NB85E901
(Under Development)
in
DCK
in
DRSTZ
in
DMS
in
DDI
DDO
in
DBINT
in
RESETZ
in
STOPZ
in
NMI (2:0)
in
VAREQ
in
WAITZ
in
ROMTYPE
DCOP (13:0)
BUNRI
in
Preliminary User's Manual A14874EJ3V0UM
VBCLK
in
DBI (5:0)
out
DBO (14:0)
in
DBB (15:0)
in/out
TMODE1
in
VBWAIT
in
DCRESZ
out
DCSTOPZ
out
DCNMI (2:0)
out
DCVAREQ
out
VBTCLK
in
DCWAITZ
out
STPAK
in
TEST
in
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