Analog Devices adsp-2100 - Page 474

E Control/Status Registers
E – 14
Non-Memory-Mapped Registers
Register Bank Select
0=primary, 1=secondary
Bit-Reverse Addressing Enable (DAG1)
ALU Overflow Latch Mode Enable
AR Saturation Mode Enable
MAC Result Placement
0=fractional, 1=integer
Timer Enable
Go Mode Enable
0123456
0000000
43210
Interrupt Nesting
1=edge
0=level
1=enable
0=disable
IRQ0 Sensitivity
IRQ1 Sensitivity
IRQ2 Sensitivity
MSTAT
ICNTL
ASTAT
PC Stack Empty
PC Stack Overflow
Count Stack Empty
Count Stack Overflow
Status Stack Empty
Status Stack Overflow
Loop Stack Empty
Loop Stack Overflow
01234567
10101010
ALU Result Zero
ALU Result Negative
ALU Overflow
ALU Carry
ALU X Input Sign
ALU Quotient
MAC Overflow
Shifter Input Sign
01234567
0000000
0
SS MV AQ AS AC
AV AN AZ
SSTAT (read-only)