R-IN32M3_15 Datasheet, PDF (84/105 Pages) Renesas Technology Corp – LSI for Industrial Ethernet

R-IN32M3 Series Data Sheet
(a) Read timing
4. Electrical Specifications
< t_HBUSCLK > < t_HBHIGH > < t_HBLOW >
HBUSCLK� input�
HA1-HA20� input�
< t_SKHA >
HCSZ, HPGCSZ
� input�
< t_SKHA >
< t_SRD >
HRDZ� input�
< t_HKHA >
< t_HKAH >
< t_HRD >
HWRZ0 - HWRZ3^� , HWRSTBZ
� input�
HBEZ0 - HBEZ3^note� input�
< t_SRD >
HD0-HD31� output�
<
t_DKOHD>
< t_HKOHD >
HWAITZ� otuput�
HBCYSTZ� input�
< t_SKHBS >
< t_HKHBS >
Figure4.8 External microcomputer interface read timing (synchronous mode)
Note HWRZ0-HWRZ3 and HBENZ0-HBENZ3 are made to serve a double purpose. It is decided
which function will be used by the level which a HWRZSEL pin inputs.
R18DS0008EJ0204
Dec 25, 2014
Page 84 of 100