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STR720 数据表(PDF) 106 Page - STMicroelectronics

部件名 STR720
功能描述  ARM720T 16/32-BIT MCU WITH 16K RAM, USB, CAN, 3 TIMERS, ADC, 6 COMMUNICATIONS INTERFACES
PDF  401 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STR720 数据表(HTML) 106 Page - STMicroelectronics

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STR720 - DRAM CONTROLLER (DRAMC)
106/401
Bank 4 Configuration Register (MB4Config)
Address Offset: 0Ch
Reset value: 0000h
The Bank 4 Configuration Register (MB4Config) is a 16-bit read/write control register used to
configure specific parameters of external region 4 (Bank 4).
The MB4Config control bits are the same as MB1Config register.
Bank 1 SDRAM Configuration Register Low (SDRAM1ConfigLo)
Address Offset: 10h
Reset value: 0000h
The Bank 1 SDRAM Configuration Register Low (SDRAM1ConfigLo) is a 16-bit write only
control register used to configure the SDRAM device of external region 1 (Bank 1).
The SDRAM1ConfigLo control bits are described below.
Bit 15:14 reserved (should be written as zero ).
Bit 13:0
MIAB[13:0]: Memory Interface Address Bus.
This field defines the data to be written in the SDRAM internal configuration
register by directly driving the SDRAM address bus lines. They will be asserted on
the SDRAM address bus with the value written in SDRAM1ConfigLo register for
one clock period.
15
14
13
12
11
10
9
8
7
6543210
reserved
DEVWID[1:0]
DATALAT[1:0]
SETUPTIME[2:0]
IDLETIME[2:0]
SDRAMCOL[1:0]
rw
rw
rw
rw
rw
15
14
13
12
11
10
9
8
765432
1
0
reserved
MIAB
wo
1



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