R-IN32M3_15 Datasheet, PDF (19/105 Pages) Renesas Technology Corp – LSI for Industrial Ethernet

R-IN32M3 Series Data Sheet
2. Pin Information
2.3.4
External MPU Interface Signals
Pin Name
HBUSCLK
HCSZ
HPGCSZ
HWAITZ
HA1
I/O
Function
Shared Signal Shared port Active
I
Bus clock for Host MPU INTPZ11
output port
I
Chip select signal input CSZ0
port
I
Pogrom mode Chip
CSZ1
select signal input port
O
Wait signal output port WAITZ
I
Address input port
A1
P43
-
-
Low
P44
Low
P41
Low
P40
-
HA2-HA20
I
A2-A20
-
HD0-HD15
I/O Data bus port
D0-D15
-
-
HD16-HD31
I/O
D16-D31
RP30-
RP37
RP10-
RP17
HRDZ
I
Read strobe input port RDZ
-
Low
HWRSTBZ
I
Write strobe output port WRSTBZ
-
Low
HWRZ0, HWRZ1/ I
Effectively Byte lane
WRZ0, WRZ1/ -
Low
HBENZ0,HBENZ1
strobe input port
BENZ0, BENZ1
HWRZ2, HWRZ3/ I
WRZ2, WRZ3/ RP06，
HBENZ2,HBENZ3
BENZ2, BENZ3 RP07
HERROUTZ
O
Error interrupt output SLEEPING
P42
Low
port
HBCYSTZ
I
Bus cycle input port
BCYSTZ / ADVZ RP20
Low
Level during
reset
Hi-Z
With internal
pull-up resistor
Hi-Z
With internal
pull-up resistor
Hi-Z
With internal
pull-down
resistor
Hi-Z
With internal
pull-up resistor
Hi-Z
With internal
pull-up resistor
High
Hi-Z
With internal
pull-up resistor
Caution When you use asynchronous mode, please input Low into a HBUSCLK pin..
Remark External MPU interface signals operate as an External MPU interface durinug reset.
R18DS0008EJ0204
Dec 25, 2014
Page 19 of 100