ADSP-2171 Analog Devices, ADSP-2171 Datasheet - Page 11

• Manufacturer Part Number: ADSP-2171
• Description: ADSP-2100 Family DSP Microcomputers
• Manufacturer: Analog Devices

REV. A
0 = FI, FO, IRQ0, IRQ1, SCLK
1 = enabled, 0 = disabled
1 = enabled, 0 = disabled
7 6 5 4 3 2 1 0
0
0
SPORT1 Configure
0
SPORT0 Enable
SPORT1 Enable
ASTAT
0
1 = serial port
0
0
15 14 13 12 11 10
15 14 13 12 11 10
0
0
0
0
0
0
0
0
AZ ALU Result Zero
AN ALU Result Negative
AV ALU Overflow
AC ALU Carry
AS ALU X Input Sign
AQ ALU Quotient
MV MAC Overflow
SS Shifter Input Sign
0
6 5 4 3 2 1 0
0
0
0
0
MSTAT
0
0
TCOUNT Counter Register
System Control Register
0
TPERIOD Period Register
1
0
BFORCE
Boot Force Bit
0
Timer Registers
9
0
9
0
0
Control Registers
0x3FFF
0
8
0
8
0
BPAGE
Boot Page Select
Data Register Bank Select
0 = primary, 1 = secondary
Bit Reverse Mode Enable (DAG1)
ALU Overflow Latch Mode Enable
AR Saturation Mode Enable
MAC Result Placement
0 = fractional, 1 = integer
Timer Enable
Go Mode Enable
7
0
7
–11–
TSCALE Scaling Register
0
6
6
0
7 6 5 4 3 2 1 0
1
5
5
ADSP-2171/ADSP-2172/ADSP-2173
BWAIT
Boot Wait States
1
1
4
4
0
1
3
3
SSTAT (Read-Only)
1
0
2
1
2
PWAIT
Program Memory
Wait States
1
1
1
1
0
0
1
0
1
0x3FFB
0x3FFD
0x3FFC
PC Stack Empty
PC Stack Overflow
Count Stack Empty
Count Stack Overflow
Status Stack Empty
Status Stack Overflow
Loop Stack Empty
Loop Stack Overflow