參數(shù)資料
型號: ST40RA166XH6
廠商: STMICROELECTRONICS
元件分類: 微控制器/微處理器
英文描述: 32-BIT, 166 MHz, RISC PROCESSOR, PBGA372
封裝: 27 X 27 MM, 2.33 MM HEIGHT, PLASTIC, BGA-372
文件頁數(shù): 86/92頁
文件大?。?/td> 2129K
代理商: ST40RA166XH6
8 Pin description
ST40RA
87/92
EMI system pins
EADDR[2:26]A
O
Z
I/O
ZZZE740
(Mode 0)
0
EDATA[0:31]
I/O
Z
I/O
Z
ECLKOUT, MCLKOUT,
FCLKOUT
O0O
0
ECLKEN
O
Z
O
Z
1
EDQM[0:3]
O
Z
O
Z
1111
NOTECS[0:5]
O
1
I/O
Z
111111
NOTERAS, NOTECAS,
NOTEWE
I/O
1
I/O
Z
1
EWAIT
I/O
Z
I/O
Z
EPENDING
O
I
0 (MD7 = 0)
Z (MD7 = 1)
I/O
MD7
= 0
Z0
NOTMREQ
(EMI_HOLD_ACK when EMI
slave)
I-
I
Z
NOTMACK
(EMI_HOLD_REQ when EMI
slave)
OZ
O
Z
1
NOTFBAA
O
Z
O
Z
1
NOTESCS[0:2]
O
Z
I/O
Z
a. The reset state of the EADDR bus is tri-state, the value given corresponds to a specific boot mode
and shows the expected ties.
Table 39: Pin reset states for ST40RA
Pin names
Architecturally defined
reset state
Implementation reset state during and after
reset
Dir
During reset
Dir
During reset
Following reset
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