ST20-C1 STMICROELECTRONICS [STMicroelectronics], ST20-C1 Datasheet - Page 62
ST20-C1
Manufacturer Part Number
ST20-C1
Description
Instruction Set Reference Manual
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST20-C1.pdf
(205 pages)
- Current page: 62 of 205
- Download datasheet (842Kb)
5.6 Scaling
Under shifting (by less than 8) is used for magnitude reduction (most suitable for
smacloop ) by 4 bits (x16) using mac_scale=1 or 8 bits (x256) using mac_scale=0.
Under-shifting by 4 bits is shown in Figure 5.5, and by 8 bits in Figure 5.6.
62/205
15
15
47
47
X data value
X data value
Figure 5.5 Coefficient scaling with mac_mode set to 1
Figure 5.6 Coefficient scaling with mac_mode set to 0
35
Add to internal accumulator
Add to internal accumulator
0
0
31
23
23
15
4
Y data value
15
0
0
<< 4
Y data value
0
4
0
0
0
Related parts for ST20-C1
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
ST20 software development and debugging tools
Manufacturer:
STMICROELECTRONICS [STMicroelectronics]
Datasheet:
Part Number:
Description:
C++ preprocessor for ST20 and T4/T8 transputers
Manufacturer:
STMICROELECTRONICS [STMicroelectronics]
Datasheet:
Part Number:
Description:
PC PARALLEL PORT TO JTAG INTERFACE
Manufacturer:
STMICROELECTRONICS [STMicroelectronics]
Datasheet:
Part Number:
Description:
PC PARALLEL PORT TO OS-LINK INTERFACE
Manufacturer:
STMICROELECTRONICS [STMicroelectronics]
Datasheet:
Part Number:
Description:
Gps Processor
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
Gps Processor
Manufacturer:
STMicroelectronics
Datasheet:
Part Number:
Description:
THYRISTORS
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
ADJUSTABLE INVERTING NEGATIVE OUTPUT CURRENT MODE PWM REGULATORS
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
0.25A SCRs
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
0.8A SCRs
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
Smartcard MCU With 4 additional I/0
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
SERIAL 2K (256 x 8) EEPROM
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
Search -----> STP10NB50FP
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
Search ---> STP12NB30
Manufacturer:
ST Microelectronics
Datasheet:
Part Number:
Description:
Search -----> STP13NK50Z
Manufacturer:
ST Microelectronics
Datasheet: