Renesas R-IN32M3 Series User Manual page 21

R-IN32M3-CL User's Manual
2.1.3 External MCU Interface Pins
Pin Name I/O
HBUSCLK I
HCSZ I
HPGCSZ I
HWAITZ O
HA1 I
HA2-HA20 I
HD0-HD15 I/O
HD16-HD31 I/O
HRDZ I
HWRSTBZ I
HWRZ0, HWRZ1/ I
HBENZ0, HBENZ1
HWRZ2, HWRZ3/ I
HBENZ2, HBENZ3
HERROUTZ O
HBCYSTZ I
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.
R18UZ0005EJ0400
Dec. 28, 2018
Function
Bus clock input for host
Chip select signal input
Page ROM mode chip
select input
Wait signal output
Address signal input
Data bus
Read strobe input
Write strobe input
Valid byte lane strobe
input
Error interrupt output
Bus cycle input
Shared Pin Shared Port
INTPZ11 P43
CSZ0 -
CSZ1 P44
WAITZ P41
A1 P40
A2-A20 -
D0-D15 -
D16-D31 RP30-
RP37
RP10-
RP17
RDZ -
WRSTBZ -
WRZ0, WRZ1/ -
BENZ0, BENZ1
WRZ2, WRZ3/ RP06，
BENZ2, BENZ3 RP07
SLEEPING P42
BCYSTZ / ADVZ RP20
2. Pin Functions
Level during & after
Active Reset
- Hi-Z (High)
Low
Low
Low
-
Hi-Z (Low)
-
Hi-Z (High)
Low
Low
Low
Low High
Low Hi-Z (High)
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