mt90869ag2 Zarlink Semiconductor, mt90869ag2 Datasheet - Page 46
mt90869ag2
Manufacturer Part Number
mt90869ag2
Description
Flexible 16k Digital Switch F16kdx
Manufacturer
Zarlink Semiconductor
Datasheet
1.MT90869AG2.pdf
(84 pages)
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11.2.2
11.2.2.1
The Boundary-Scan register consists of a series of Boundary-Scan cells arranged to form a scan path around the
boundary of the MT90869 core logic.
11.2.2.2
The Bypass register is a single stage shift register to provide a one-bit path from TDi to TDo.
11.2.2.3
The JTAG device ID for the MT90869 is 0086914B
Version, Bits <31:28>:0000
Part No., Bits <27:12>:0000 1000 0110 1001
Manufacturer ID, Bits <11:1>:0001 0100 101
Header, Bit <0> (LSB):1
11.3
A Boundary Scan Description Language (BSDL) file is available from Zarlink Semiconductor to aid in the use of the
IEEE 1149.1 test interface.
12.0
The device contains two data memory blocks, one for received backplane data and one for received local data. For
all data rates the received data is converted to parallel format by internal serial to parallel converters and stored
sequentially in the relevant data memory.
Address Bit
A13-A9
A8-A0
A14
Boundary Scan Description Language (BSDL) File
Memory Address Mappings
Test Data Registers
The Boundary-Scan Register
The Bypass Register
The Device Identification Register
Table 8 - Address Map for Data and Connection Memory Locations (A14=1)
Selects memory or register access
Stream address (0-31)
Channel address (0-511)
Notes:
1. Bit A14 must be high for accessing to data and connection memory positions. Bit A14 must
be low for accessing registers.
2. Streams 0 to 15 are used when the backplane serial streams are at 32.768 Mb/s.
3. Channels 0 to 31 are used when serial stream is at 2.048 Mb/s.
4. Channels 0 to 63 are used when serial stream is at 4.096 Mb/s.
5. Channels 0 to 127 are used when serial stream is at 8.192 Mb/s.
6. Channels 0 to 255 are used when serial stream is at 16.384 Mb/s.
7. Channels 0 to 511 are used when serial stream is at 32.768 Mb/s.
Zarlink Semiconductor Inc.
MT90869
H
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46
Description
Data Sheet
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