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STR720 Datasheet(PDF) 113 Page - STMicroelectronics

Part # STR720
Description  ARM720T 16/32-BIT MCU WITH 16K RAM, USB, CAN, 3 TIMERS, ADC, 6 COMMUNICATIONS INTERFACES
PDF  401 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STR720 Datasheet(HTML) 113 Page - STMicroelectronics

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STR720 - DRAM CONTROLLER (DRAMC)
113/401
Size of bank 4 Register (Bank4Size)
Address Offset: 40h
Reset value: 0000h
The Size of bank 4 Register (Bank4Size) is a 16-bit read/write control register used to specify
the size of external region 4 (Bank 4).
The Bank4Size control bits are the same as Bank1Size register.
10.4.1
Register map
In the Table 30 an overview of the DRAMC registers is reported.
Refer to Table 21 on page 50 for the base address.
15
14
13
12
11
10
9
8
7
6543210
reserved
SIZE[8:0]
rw
Table 30. DRAMC Register Map
Addr.
Offset
Register Name
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
0
MB1Config
reserved
DEVWID[1:0]
DATALAT[1:0]
SETUPTIME[2:0}
IDLETIME[2:0]
SDRAM-
COL[1:0]
4
MB2Config
reserved
DEVWID[1:0]
DATALAT[1:0]
SETUPTIME[2:0}
IDLETIME[2:0]
SDRAM-
COL[1:0]
8
MB3Config
reserved
DEVWID[1:0]
DATALAT[1:0]
SETUPTIME[2:0}
IDLETIME[2:0]
SDRAM-
COL[1:0]
C
MB4Config
reserved
DEVWID[1:0]
DATALAT[1:0]
SETUPTIME[2:0}
IDLETIME[2:0]
SDRAM-
COL[1:0]
10
SDRAM1ConfigLo
reserved
MIAB
14
SDRAM1ConfigHi
reserved
MIWE
MIAA
MISA
18
SDRAM2ConfigLo
reserved
MIAB
1C
SDRAM2ConfigHi
reserved
MIWE
MIAA
MISA
20
SDRAM3ConfigLo
reserved
MIAB
24
SDRAM3ConfigHi
reserved
MIWE
MIAA
MISA
28
SDRAMC4onfigLo
reserved
MIAB
2C
SDRAM4ConfigHi
reserved
MIWE
MIAA
MISA
30
MemConfig
reserved
PWR-
SAVE
TYPE
B3EN
B2EN
B1EN
B0EN
REFR[7:0]
34
Bank1Size
reserved
SIZE[8:0}
38
Bank2Size
reserved
SIZE[8:0}
3C
Bank3Size
reserved
SIZE[8:0}
40
Bank4Size
reserved
SIZE[8:0}
1



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