Example Of Connection Of Peripheral Macro In Test Mode; Peripheral Macro Connection Example - Renesas NU85E Preliminary User's Manual

9.3 Example of Connection of Peripheral Macro in Test Mode

The NPB peripheral macro, MEMC (NT85E500, NT85E502), instruction cache, and data cache supported by NEC
are tested via the NU85E.
An example of the connections between the NU85E, the NPB peripheral macro, and the MEMC is shown below.
TBI39 TBI39
TBI0 TBI0
TBO34 TBO34
TBO0 TBO0
TEST TEST
BUNRI BUNRI
Open
TMODE0
TMODE1
Open
TBREDZ
VBCLK VBCLK
232
CHAPTER 9 TEST FUNCTION
Figure 9-1. Peripheral Macro Connection Example
NU85E
TESEN
VPRESZ
VPTCLK
PHTDIN0
PHTDIN1
PHTDO0
PHTDO1
PHTEST
BUNRIOUT
Preliminary User's Manual A14874EJ3V0UM
Open
VPRESZ
VPTCLK
PHTDIN0
PHTDIN1
PHTDO0
PHTDO1
PHTEST
VBCLK
VPRESZ
VPTCLK
VBCLK
BUNRI
VBTCLK
BUNRI
TEST
TMODE1
MEMC
(NT85E500)
MEMC
(NT85E502)
Macro requiring
BUNRI signal logic
User logic
NB85E901