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AD9375BBCZ датащи(PDF) 60 Page - Analog Devices

номер детали AD9375BBCZ
подробное описание детали  Integrated, Dual RF Transceiver with Observation Path
PDF  61 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
Logo AD - Analog Devices

AD9375BBCZ датащи(HTML) 60 Page - Analog Devices

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AD9375
Data Sheet
Rev. 0 | Page 60 of 61
JTAG BOUNDARY SCAN
The AD9375 provides support for a JTAG boundary scan. Five
dual-function pins are associated with the JTAG interface.
These pins, listed in Table 11, are used to access the on-chip test
access port. To enable the JTAG functionality, set the GPIO_0
through GPIO_3 pins according to Table 12 depending on how the
desired JESD204B sync pin (that is, SYNCINB0+, SYNCINB0−,
SYNCINB1+, SYNCINB1−, SYNCOUTB0+, or SYNCOUTB0−)
is configured in the software (LVDS or CMOS mode). Pull the
TEST pin high to enable the JTAG mode.
Table 11. Dual-Function Boundary Scan Test Pins
Mnemonic
JTAG Mnemonic
Description
GPIO_4
TRST
Test access port reset
GPIO_5
TDO
Test data output
GPIO_6
TDI
Test data input
GPIO_7
TMS
Test access port mode select
GPIO_18
TCK
Test clock
Table 12. JTAG Modes
Test Pin Level
GPIO_0 to GPIO_3
Description
0
XXXX1
Normal operation
1
1001
JTAG mode with LVDS
JESD204B sync signals
1
1011
JTAG mode with CMOS
JESD204B sync signals
1 X means don’t care.



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