參數(shù)資料
型號(hào)： SAA7118E
廠商： NXP SEMICONDUCTORS
元件分類(lèi)： 顏色信號(hào)轉(zhuǎn)換
英文描述： Multistandard video decoder with adaptive comb filter and component video input
中文描述： COLOR SIGNAL DECODER, PBGA156
封裝： 15 X 15 MM, 1.05 MM HEIGHT, PLASTIC, MO-192, SOT-700-1, BGA-156
文件頁(yè)數(shù)： 81/169頁(yè)
文件大小： 665K
代理商： SAA7118E
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2001 May 30
81
Philips Semiconductors
Preliminary specification
Multistandard video decoder with adaptive
comb filter and component video input
SAA7118
10 BOUNDARY SCAN TEST
The SAA7118 has built-in logic and 5 dedicated pins to
support boundary scan testing which allows board testing
without special hardware (nails). The SAA7118 follows the
“IEEE Std. 1149.1 - Standard Test Access Port and
Boundary-Scan Architecture”set by the Joint Test Action
Group (JTAG) chaired by Philips.
The 5 special pins are Test Mode Select (TMS), Test
Clock (TCK), Test Reset (TRST), Test Data Input (TDI)
and Test Data Output (TDO).
The Boundary Scan Test (BST) functions BYPASS,
EXTEST, INTEST, SAMPLE, CLAMP and IDCODE are all
supported (see Table 34). Details about the JTAG
BST-TEST can be found in specification “IEEE Std.
1149.1” A file containing the detailed Boundary Scan
Description Language (BSDL) description of the SAA7118
is available on request.
Table 34
BST instructions supported by the SAA7118
10.1
Initialization of boundary scan circuit
The TAP (Test Access Port) controller of an IC should be
in the reset state (TEST_LOGIC_RESET) when the IC is
in functional mode. This reset state also forces the
instruction register into a functional instruction such as
IDCODE or BYPASS.
To solve the power-up reset, the standard specifies that
the TAP controller will be forced asynchronously to the
TEST_LOGIC_RESET state by setting the TRST pin
LOW.
10.2
Device identification codes
A device identification register is specified in “IEEE Std.
1149.1b-1994” It is a 32-bit register which contains fields
for the specification of the IC manufacturer, the IC part
number and the IC version number. Its biggest advantage
is the possibility to check for the correct ICs mounted after
production and determination of the version number of ICs
during field service.
When the IDCODE instruction is loaded into the BST
instruction register, the identification register will be
connected between TDI and TDO of the IC. The
identification register will load a component specific code
duringtheCAPTURE_DATA_REGISTERstateoftheTAP
controller and this code can subsequently be shifted out.
At board level this code can be used to verify component
manufacturer, type and version number. The device
identification register contains 32 bits, numbered 31 to 0,
where bit 31 is the most significant bit (nearest to TDI) and
bit 0 is the least significant bit (nearest to TDO);
see Fig.45.
INSTRUCTION
DESCRIPTION
BYPASS
This mandatory instruction provides a
minimum length serial path (1 bit)
between TDI and TDO when no test
operation of the component is
required.
This mandatory instruction allows
testing of off-chip circuitry and board
level interconnections.
This mandatory instruction can be
used to take a sample of the inputs
during normal operation of the
component. It can also be used to
preload data values into the latched
outputs of the boundary scan register.
This optional instruction is useful for
testing when not all ICs have BST.
This instruction addresses the bypass
register while the boundary scan
register is in external test mode.
EXTEST
SAMPLE
CLAMP
IDCODE
This optional instruction will provide
information on the components
manufacturer, part number and
version number.
This optional instruction allows testing
of the internal logic (no customer
support available).
This private instruction allows testing
by the manufacturer (no customer
support available).
INTEST
USER1
INSTRUCTION
DESCRIPTION
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SAA7118E/V1,518 功能描述:視頻 IC COMPONENT VID DECODER W/COMB F RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
SAA7118E/V1,551 功能描述:視頻 IC COMPONENT VID DECODER W/COMB F RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
SAA7118E/V1,557 功能描述:視頻 IC COMPONENT VID DECODER W/COMB F RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
SAA7118E/V1/M5 功能描述:視頻 IC COMPONENT + VIDEO PROCESSOR RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
SAA7118E/V1/M5,518 功能描述:視頻 IC COMPONENT + VIDEO PROCESSOR RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
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