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ST40RA 数据表(PDF) 28 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) 28 Page - STMicroelectronics

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ST40RA
5 System configuration
[13:14]
LMI_SDRAM_DATA_DRIVE
SDRAM data and data strobe pad PROG 1:0 LVTTL
OP drive strength
00: 1x
01: 2x
10: 3x
11: 4x
Reset: 0
RW
[15:16]
LMI_SDRAM_ADD_DRIVE
LMI address and control pad PROG 1:0 LVTTL OP
drive strength
00: 1x
01: 2x
10: 3x
11: 4x
Reset: 0
RW
[17:35]
Reserved
36
EMPI_ENB[0]
Enable EMPI channel 0 DREQ/DRACK/DRACK
alternate function
0: Disabled
1: NOTESCS1 remapped to EMPIDREQ0
NOTESCS2 remapped to EMPIDRAK0
EADDR26 remapped to EMPIDACK0
EADDR26 is only remapped when whilst the ST40RA
is
acting as a bus slave
RW
37
EMPI_ENB[1]
Enable EMPI channel 1 DREQ/DRACK/DRACK
alternate function
0: Disabled
1: NOTPREQ3 remapped to EMPIDREQ1
NOTPGNT3 remapped to EMPIDRAK1
EADDR25 remapped to EMPIDACK0
EADDR25 is only remapped when whilst the ST40RA
is acting as a bus slave
RW
38
EMPI_ENB[2]
Enable EMPI channel 2 DREQ/DRACK/DRACK
alternate function
0: Disabled
1: DREQ0 remapped to EMPIDREQ2
DACK0 remapped to EMPIDACK2
DRAK0 remapped to EMPIDRAK2
RW
39
EMPI_ENB[3]
Enable EMPI channel 2 DREQ/DRACK/DRACK
alternate function
0: Disabled
1: DREQ1 remapped to EMPIDREQ3
DACK1 remapped to EMPIDACK3
DRAK1 remapped to EMPIDRAK3
RW
40
MAILBOX_ENB
Enable mailbox interrupt alternate function
0:Disabled
1:NOTESC0 remapped to MBXINT
RW
[41:43]
Reserved
SYSCONF.SYS_CON2
Functional pin use and behavior
0x0018



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