July 2004
AS91L1006BU
Table 2 - AS91L1006BU Multi Cast Group
Selection Table
Table 3 - AS91L1006BU Device
Register Description
Selection Binary
Mode Address
Single XX000000 to Single AS91L1006BU
Function
Register
Name
Instruction
Register
Description
AS91L1006BU device
addressing and instruction-
decode
IEEE Std. 1149.1 required
register
Address XX111010
Mode
selected the TDO of
the device will be
active
Broad
XX111011
All accessible
Boundary-
Scan
Register
Bypass
Register
IEEE Std. 1149.1 required
register
Cast Mode
AS91L1006BU
devices are selected
for operation. TDO on
all devices will be in
HighZ
IEEE Std. 1149.1 required
register
Device
Identification register
Register
User Code IEEE Std. 1149.1 optional
Register
IEEE Std. 1149.1 optional
Multi-Cast XX111100
Group 0
Access all
AS91L1006BU
devices that have
been placed in GRP0
by their MCGR
contents
register
Status
Register
AS91L1006BU device non
intrusive 8-bit register pre load
able from the I/O pins
Multi-Cast XX111101
Group 1
Access all
AS91L1006BU
devices that have
been placed in GRP1
by their MCGR
contents
Self Test
Register
AS91L1006BU device specific
single bit register for initiating
self testing on a PCB
Multi-Cast XX111110
Group 2
Access all
Mode
Register
AS91L1006BU device local-port
configuration and control bits
AS91L1006BU
devices that have
been placed in GRP2
by their MCGR
contents
Auto Write
Register
AS91L1006BU device Auto
Write feature enable register
Multi-Cast XX111111
Group 3
Access all
LSP Async AS91L1006BU device Async
AS91L1006BU
devices that have
been placed in GRP3
by their MCGR
contents
Reset
reset register for the LSPs
Register
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