Nu85E Connection Example; Nb85E901 And Nu85E Connection Example - Renesas NU85E Preliminary User's Manual

10.4 NU85E Connection Example

Figure 10-1 shows an example of the connection between the NB85E901 and the NU85E.
Connection with
N-Wire type
in-circuit emulator
BUNRI
DCRESZ
DCSTOPZ
DCNMI2
DCNMI1
DCNMI0
L
Open
WAITZ
Notes 1. Input the signal input from the RESETZ pin of the RCU and output from the DCRESZ pin.
2. Input the signal input from the STOPZ pin of the RCU and output from the DCSTOPZ pin.
3. Input the signal input from the NMIn pin of the RCU and output from the DCNMIn pin (n = 2 to 0).
4. Input the signal input from the VAREQ pin of the RCU and output from the DCVAREQ pin.
5. Input the signal input from the WAITZ pin of the RCU and output from the DCWAITZ pin.
6. If the MEMC is not used, process as shown in 10.2.3 Recommended connection of unused pins.
CHAPTER 10 NB85E901
Figure 10-1. NB85E901 and NU85E Connection Example
NB85E901 (RCU)
DCK
DRSTZ
DMS
DDI
DDO
DBINT
BUNRI
RESETZ
STOPZ
NMI2
NMI1
NMI0
ROMTYPE
DCOP13
... ...
DCOP0
WAITZ
Preliminary User's Manual A14874EJ3V0UM
VBCLK
DBI5 to DBI0
DBO14 to DBO0
DBB15 to DBB0
TMODE1
TEST
VBWAIT
DCRESZ
DCSTOPZ
DCNMI2
DCNMI1
DCNMI0
DCVAREQ
VBTCLK
Note 6
STPAK
Note 6
DCWAITZ
Note 6
VAREQ
Clock
generator (CG)
VBCLK
NU85E
VBCLK
DBI5 to DBI0
DBO14 to DBO0
DBB15 to DBB0
TMODE1
VMWAIT
Note 1
DCRESZ
Note 2
DCSTOPZ
Note 3
DCNMI2
Note 3
DCNMI1
Note 3
DCNMI0
Note 4
VAREQ
VPTCLK
STPAK
Memory controller
(MEMC)
VBWAIT
STPAK
Note 5
WAITZ
VAREQ
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