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ST40RA 数据表(PDF) 27 Page - STMicroelectronics

部件名 ST40RA
功能描述  32-bit Embedded SuperH Device
PDF  94 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST40RA 数据表(HTML) 27 Page - STMicroelectronics

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5 System configuration
ST40RA
27/94
STMicroelectronics
ADCS 7260755H
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
9
LMI_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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