R-IN32M3_15 Datasheet, PDF (33/105 Pages) Renesas Technology Corp – LSI for Industrial Ethernet

R-IN32M3 Series Data Sheet
2. Pin Information
2.3.19 Operation Mode Setting Signal
Pin Name
BOOT1-BOOT0
I/O
I
MEMIFSEL
I
BUS32EN
I
HIFSYNC
I
HWRZSEL
I
MEMCSEL
I
ADMUXMODE ^Note I
Function
Boot mode select port
00 : External memory boot
01 : External serial flash ROM boot
10 : External MPU boot
11 : Instruction RAM boot( debugger used ONLY)
External Memory Interface select port
0 : Slave memory Interface
1 : External MPU Interface
External Memory Interface Bus width select port
0 : 16bit bus
1 : 32bit bus
External MPU I/F Operation mode select port
0 : asynchronous SRAM Interface
1 : synchronous SRAM Interface
External MPU Interface HWRZ/HBENZ select port
0 : HBENZ use
1 : HWRZ use
Internal Memory Controller select port
0 : asynchronous SRAM MEMC
1 : synchronous burst access MEMC
Multiplex of Address / Data port ^Note
0 : Separate
1 : Multiplex of Address / Data
Active Level during reset
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Note ^{ADMUXMODE port is only available when MEMCSEL port is High (which selects synchronous}
burst access MEMC). The asynchronous SRAM MEMC does not support address/data
multiplexing.
R18DS0008EJ0204
Dec 25, 2014
Page 33 of 100