参数资料
型号: ST40RA200XH6E
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 200 MHz, RISC PROCESSOR, PBGA372
封装: 27 X 27 MM, 2.33 MM HEIGHT, PLASTIC, BGA-372
文件页数: 35/94页
文件大小: 2144K
代理商: ST40RA200XH6E
40/92
ST40RA
5 System configuration
5.9.4.2 SYSCONF.SYS_CON1
.
Where the two clocks are sourced from independent PLLs the bridge must be put in asynchronous
mode.
5.9.5
SYSCONF.SYS_CON2.
SYSCONF.SYS_CON1
Memory bridge control
0x010
[3:0]
Reserved
RW
[10:4]
MB1
Memory bridge 1 control: EMI target
RW
[17:11]
MB2
Memory bridge 2 control: EMPI initiator
RW
[24:18]
MB3
Memory bridge 3 control: EMI_SS target
RW
[38:25]
Reserved
[45:39]
MB6
Memory bridge 6 control: PCI initiator
RW
[52:46]
MB7
Memory bridge 7 control: PCI target
RW
[63:53]
Reserved
SYSCONF.SYS_CON2
Functional pin use and behavior
0x0018
The SYSCONF.SYS_CON2 register controls functional pin use and behavior
8LMI_MODE
LMI pad type
0: SSTL
1: LVTTL
Reset: 0
RW
9LMI_ENVREF
Reference voltage source
0: internally generated reference voltage
1: external reference voltage from VREF pins
Reset: 0
RW
10
LMI_ECLK_BYPASS
LMI control signal ECLK180 retime bypass
0: ECLK180 flip flop not bypassed
1: ECLK180 flip flop is bypassed
Reset: 0
RW
11
LMI_NOTCOMP25_EN
Enable LMI 2.5 V compensation cell
0: LMI 2.5 V compensation cell enabled
1: LMI 2.5 V compensation cell disabled
Reset: 0
RW
12
LMI_COMP33_EN
Enable LMI 3.3 V compensation cell
0: LMI 2.5 V compensation cell enabled
1: LMI 2.5 V compensation cell disabled
Reset: 0
RW
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