R-IN32M3 Datasheet, PDF (20/116 Pages) Renesas Technology Corp – LSI for Industrial Ethernet

R-IN32M3 Series Data Sheet
2. Pin Information
2.3.4
External MCU Interface Pins
Pin Name
HBUSCLK
HCSZ
HPGCSZ
HWAITZ
HA1
HA2-HA20
HD0-HD15
HD16-HD31
I/O
I
I
I
O
I
I
I/O
I/O
HRDZ
I
HWRSTBZ
I
HWRZ0, HWRZ1/ I
HBENZ0,HBENZ1
HWRZ2, HWRZ3/ I
HBENZ2,HBENZ3
HERROUTZ
O
HBCYSTZ
I
Function
Bus clock input for host
Chip select signal input
PageRom mode chip
select input
Wait signal output
Address signal input
Data bus
Read strobe input
Write strobe output
Valid byte lane strobe
input
Error interrupt output
Bus cycle input
Shared Pin
INTPZ11
CSZ0
CSZ1
WAITZ
A1
A2-A20
D0-D15
D16-D31
RDZ
WRSTBZ
WRZ0, WRZ1/
BENZ0, BENZ1
WRZ2, WRZ3/
BENZ2, BENZ3
SLEEPING
BCYSTZ / ADVZ
Shared Port Active
P43
-
-
Low
P44
Low
P41
Low
P40
-
-
-
-
RP30-
RP37
RP10-
RP17
-
Low
-
Low
-
Low
RP06，
RP07
P42
Low
RP20
Low
Level during Reset
Hi-Z (High)
Hi-Z (High)
Hi-Z (Low)
Hi-Z (High)
Hi-Z (High)
High
Hi-Z (High)
Caution: Input the low level to the HBUSCLK pin while asynchronous mode is in use.
Remark: The external MCU interface pins continue to operate during a reset.
R18DS0008EJ0401
Feb 28, 2017
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