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參數(shù)資料
| 型號： | SCANSTA111SM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | EMITTER IR 850NM 5MM RADIAL |
| 中文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PBGA49 |
| 封裝： | BGA-49 |
| 文件頁數(shù)： | 8/29頁 |
| 文件大?。?/td> | 524K |
| 代理商： | SCANSTA111SM |
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State Machines
(Continued)
state) until the ’STA111 receives an
UNPARK
instruction and
the ’STA111’s TAP state-machine enters the
Run-Test/Idle
state.
Similarly, certain transitions of the scan port-configuration
state-machine can force the ’STA111’s LSP-control state-
machine into specific states. For example, when a local port
is in the
Unparked
state, the ’STA111 receives the
PARKRTI
instruction and the TAP is transitioned through
Run-Test/Idle
state, the Local Port controller enters the
Parked-RTI
state in
which TMS
will be held low until the port is later unparked.
Once the
Park-RTI
instruction has been updated into the
instruction register the TAP MUST be transitioned through
the
Run-Test/Idle
state. While TMS
is held low, all devices
on that local scan chain remain in their current TAP State
(the
RTI
TAP controller state in this example).
The ’STA111’s scan port-configuration state-machine imple-
ments part of the ’STA111’s Level-2 protocol. In addition, the
’STA111 provides a number of Level-2 instructions for func-
tions other than local scan port confguration. These instruc-
tions provide access to and control of various registers within
the ’STA111. This set of instructions includes:
BYPASS
EXTEST
SAMPLE/PRELOAD
IDCODE
MODESEL
MCGRSEL
LFSRSEL
CNTRSEL
LFSRON
LFSROFF
CNTRON
CNTROFF
GOTOWAIT
Figure 5
illustrates how the ’STA111’s state-machines inter-
act. The ’STA111-selection state-machine enables or dis-
ables operation of the chip’s three port-selection state-
machines. In ’STA111s which are selected via Level-1
protocol (either as individual ’STA111s or as members of
broadcast or multi-cast groups), Level-2 protocol commands
can be used to park or unpark local scan ports. Note that
most transitions of the port-configuration state-machines are
gated by particular states of the ’STA111’s TAP-control state-
machine, as shown in
Figure 4
or
Figure 5
.
10124508
FIGURE 5. Relationship Between SCANSTA111 State Machines
S
www.national.com
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SCANSTA111 | Enhanced SCAN bridge Multidrop Addressable IEEE 1149.1 (JTAG) Port |
| SCANSTA111MT | Enhanced SCAN bridge Multidrop Addressable IEEE 1149.1 (JTAG) Port |
| SCANSTA112 | 7-port Multidrop IEEE 1149.1 (JTAG) Multiplexer |
| SCANSTA112SM | 7-port Multidrop IEEE 1149.1 (JTAG) Multiplexer |
| SCANSTA112VS | 7-port Multidrop IEEE 1149.1 (JTAG) Multiplexer |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SCANSTA111SM/NOPB | 功能描述:接口 - 專用 Enhanced SCAN Bridge Multidrop Port RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| SCANSTA111SMX | 功能描述:接口 - 專用 RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| SCANSTA111SMX/NOPB | 功能描述:接口 - 專用 RoHS:否 制造商:Texas Instruments 產(chǎn)品類型:1080p60 Image Sensor Receiver 工作電源電壓:1.8 V 電源電流:89 mA 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:BGA-59 |
| SCANSTA112 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:7-port Multidrop IEEE 1149.1 (JTAG) Multiplexer |
| SCANSTA112_05 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:7-Port Multidrop IEEE 1149.1 (JTAG) Multiplexer |
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