参数资料
型号: ST40RA150XH6
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 150 MHz, RISC PROCESSOR, PBGA372
封装: 27 X 27 MM, BGA-372
文件页数: 53/90页
文件大小: 672K
代理商: ST40RA150XH6
7 Pin description
ST40RA166
57/88
MODE
7
EADDR
9
MD
7
EMISS
Enable MPX arbiter
MODE
8
EADDR
10
MD
8
System
Set endianess
H: Little
L: Big
MODE
9
EADDR
11
MD
9
EMI
Set EMI port
H: Master
L: Slave
b
MODE
11:1
0
EADDR
12
EADDR
13
MD
11:10
EMI
Set booting ROM bus size
00: Reserved
01: 32-bit
10: 16-bit
11: 8-bit
MODE
12
EADDR
14
MD
12
EMI
Enable NOP when accessing flash
c
MODE
13
EADDR
15
MD
13
Reserved
Tie high
d
MODE
14
EADDR
16
MD
14
PCI
PCI bridge mode
H: Host
L: Satellite
MODE
15
EADDR
17
MD
15
PCI
Reserved: PCI select clock
H: External
L: Internal
e
MODE
16
EADDR
18
MD
16
-
Reserved: Tie high
f
MODE
17
EADDR
19
MD
17
-
MODE
18
EADDR
20
MD
18
-
MODE
19
EADDR
21
MD
19
-
a. See CLOCKGEN chapter of the
ST40 System Architecture Manual for details.
b. ST40RA166 is always the clock master, providing EMI clocks to the system.
c. See EMI chapter of the
ST40 System Architecture Manual for details.
d. reserved for enable retiming stage on EMI padlogic
e. PCI clock is selected externally on the board for ST40RA166. The mode pin may be used for clock
selection in future variants.
f. These mode pins are not used in current variants, however, they may be used to enable additional
functionality in future variants
Mode
pin
Pin name
Architecture
signal name
Block
affected
Description
Notes
Table 33: Mode selection pins for ST40RA166
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