Asynchronous-Sram Supporting Mcu Connection Mode - Renesas R-IN32M4-CL2 User Manual

R-IN32M4-CL2 User's Manual: Board design edition
10.1.1

Asynchronous-SRAM Supporting MCU Connection Mode

The following figure shows a general connection example in asynchronous-SRAM supporting MCU interface mode,
when this LSI chip is connected as a slave device to an external MCU.
Figure 10.1 Connection Example of 32-Bit External MCU Interface (in Asynchronous-SRAM Supporting
MCU Connection Mode)
Figure 10.2 Connection Example of 16-Bit External MCU Interface (in Asynchronous-SRAM Supporting
MCU Connection Mode)
R18UZ0046EJ0200
Dec. 28, 2018
R-IN32M4-CL2
HBUSCLK
Note4
HA2-HA20
HD0-HD31
HCSZ
Note3
HPGCSZ
HRDZ
HWRSTBZ
Note1
HWRZ0 / HBENZ0
Note1
HWRZ1 / HBENZ1
Note1
HWRZ2 / HBENZ2
Note1
HWRZ3 / HBENZ3
HWAITZ
Note2
HERROUTZ
R-IN32M4-CL2
HBUSCLK
Note5
HA1-HA20
HD0-HD15
HCSZ
Note3
HPGCSZ
HRDZ
HWRSTBZ
Note1
HWRZ0 / HBENZ0
Note1
HWRZ1 / HBENZ1
HWAITZ
Note2
HERROUTZ
10. External MCU/Memory Interface Pins
External MCU
A2-A20
D0-D31
CSZ
PGCSZ
RDZ
WRSTBZ
(WRZ0) / BENZ0
(WRZ1) / BENZ1
(WRZ2) / BENZ2
(WRZ3) / BENZ3
WAITZ
Interrupt, port pin
External MCU
A1-A20
D0-D15
CSZ
PGCSZ
RDZ
WRSTBZ
(WRZ0) / BENZ0
(WRZ1) / BENZ1
WAITZ
Interrupt, port pin
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