Analog Devices ADSP-21261 SHARC Hardware Reference Manual page 243

ANY BLOCK
... ...
... ...
... ...
WORD Y11 WORD Y10 WORD Y9 WORD Y8
WORD Y7 WORD Y6 WORD Y5 WORD Y4
WORD Y3 WORD Y2 WORD Y1
SHORT WORD ACCESS
63-48 47-32
PM DATA
WORD Y2
0X0000
BUS
RX = DM (SHORT WORD X0 ADDRESS), RA = PM (SHORT WORD Y0 ADDRESS);
OTHER INSTRUCTIONS WITH SIMILAR DATA FLOWS FOR SIMD, SHORT WORD, DUAL-DATA TRANSFERS ARE:
DREG = PM(SHORT WORD ADDRESS),
PM(SHORT WORD ADDRESS) = DREG,
Figure 5-14. Short Word Addressing of Dual-Data in SIMD Mode
ADSP-2126x SHARC Processor Hardware Reference
... ...
... ...
... ...
WORD Y0
31-16 15-0
0X0000 WORD Y0
RA
39-24 23-8 7-0
0X0000† WORD Y0 0X00
SA
39-24 23-8 7-0
0X0000† WORD Y2 0X00
THIS EXAMPLE SHOWS THE DATA FLOW FOR INSTRUCTION:
ANY OTHER BLOCK
... ...
... ...
... ...
WORD X11 WORD X10 WORD X9 WORD X8
WORD X7 WORD X6 WORD X5 WORD X4
WORD X3 WORD X2 WORD X1
SHORT WORD ACCESS
63-48 47-32
DM DATA
WORD X2
0X0000
BUS
DREG = DM(SHORT WORD ADDRESS);
DM(SHORT WORD ADDRESS) = DREG;
Memory
... ...
... ...
... ...
WORD X0
31-16 15-0
0X0000 WORD X0
RX
39-24 23-8 7-0
0X0000† WORD X0 0X00
SX
39-24 23-8 7-0
0X0000† WORD X2 0X00
5-39