參數(shù)資料
型號: SCANPSC100FSC
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 微控制器/微處理器
英文描述: Embedded Boundary Scan Controller (IEEE 1149.1 Support)
中文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PDSO28
封裝: 0.300 INCH, MS-013, SOIC-28
文件頁數(shù): 9/21頁
文件大?。?/td> 208K
代理商: SCANPSC100FSC
9
www.fairchildsemi.com
S
Parallel Processor Interface (PPI)
(Continued)
TABLE 1. Interrupt Logic
Note 6:
Interrupts are generated using the INT pin. Three events trigger INT HIGH. Each event has its own mode bit associated with it for masking or
enabling these interrupts.
TABLE 2. Ready State Logic
FIGURE 8. 1149.1 (JTAG) TAP Controller State Diagram
MODE1(7)
=
1 and TDO
Shifter/Buffer Not Full
MODE1(6)
=
1 and TDI
Shifter/Buffer Not Empty
MODE1(5)
=
1 and
CNT32 Not Loaded, or at
Terminal Count
X
X
1
0
INT
1
X
X
0
X
1
X
0
1
1
1
0
R/W
Write
Synchronizer
Busy
TDO
TMS0
TMS1
Read
Synchronizer
Busy
TDI
RDY
Shifter/Buffer Shifter/Buffer Shifter/Buffer
Full and
Full and
A(2:0)
=
0
A(2:0)
=
2
X
X
1
X
X
1
X
X
0
0
X
X
X
X
X
X
Shifter/Buffer
Empty and
A(2:0)
=
1
X
X
X
X
X
X
1
0
Full and
A(2:0)
=
3
X
X
X
1
0
X
X
X
0
0
0
0
0
1
1
1
1
X
X
X
0
X
X
X
X
X
X
X
X
1
X
0
1
1
1
1
0
1
1
0
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