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參數(shù)資料
| 型號： | SCANPSC110FSC |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | SCAN Bridge Hierarchical and Multidrop Addressable JTAG Port (IEEE1149.1 System Test Support) |
| 中文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, PDSO28 |
| 封裝： | 0.300 INCH, MS-013, SOIC-28 |
| 文件頁數(shù)： | 10/25頁 |
| 文件大?。?/td> | 283K |
| 代理商： | SCANPSC110FSC |
www.fairchildsemi.com
10
S
Level 1 Protocol
(Continued)
FIGURE 7. Broadcast Addressing: Address Loaded into Instruction Register
FIGURE 8. Multi-Cast Addressing: Address Loaded into Instruction Register
Level 2 Protocol
Once the SCANPSC110F Bridge has been successfully
addressed and selected, its internal registers may be
accessed via Level-2 Protocol. Level-2 Protocol is compli-
ant to IEEE Std. 1149.1 TAP protocol with one exception: if
the SCANPSC110F is selected via the Broadcast or Multi-
Cast address, TDO
B
will always be 3-STATED. (The TDO
B
buffer must be implemented this way to prevent bus con-
tention.)
Upon being selected, (i.e., the SCANPSC110F Selection
controller transitions from the
Wait-For-Address
state to
one of the
Selected
states), each of the local scan ports
(LSP
1
, LSP
2
, LSP
3
) remains parked in one of the following
four TAP Controller states:
Test-Logic-Reset, Run-Test/
Idle, Pause-DR
, or
Pause-IR
and the active scan chain will
consist of: TDI
B
through the instruction register (or the
IDCODE register) and out through TDO
B
.
TDI
B
→
Instruction Register
→
TDO
B
The
UNPARK
instruction (described later) is used to insert
one or more local scan ports into the active scan chain.
Table 4 describes which local ports are inserted into the
chain, and in what order.
LEVEL 2 INSTRUCTION TYPES
There are two types of instructions (reference Table 5):
1. Instructions that insert a SCANPSC110F register into
the active scan chain so that the register can be cap-
tured or updated
(BYPASS, SAMPLE/PRELOAD,
EXTEST, IDCODE, MODESEL, MCGRSEL, LFSR-
SEL, CNTRSEL).
2. Instructions that configure local ports or control the
operation of the linear feedback shift register and
counter registers
(UNPARK, PARKTRL, PARKRTI,
PARKPAUSE, GOTOWAIT, SOFTRESET, LFSRON,
LFSROFF, CNTRON, CNTROFF).
These instructions,
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相關代理商/技術參數(shù) |
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|---|---|
| SCANPSC110FSCX | 功能描述:特定功能邏輯 SCAN JTAG Port RoHS:否 制造商:Texas Instruments 產(chǎn)品: 系列:SN74ABTH18502A 工作電源電壓:5 V 封裝 / 箱體:LQFP-64 封裝:Tube |
| SCANSTA101 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Low Voltage IEEE 1149.1 STA Master |
| SCANSTA101_06 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Low Voltage IEEE 1149.1 STA Master |
| SCANSTA101SM | 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 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59 |
| SCANSTA101SM/NOPB | 功能描述:接口 - 專用 Low Vltg IEEE 1149.1 Sys Test Access 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 安裝風格:SMD/SMT 封裝 / 箱體:BGA-59 |
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