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ST20-C1 Datasheet(PDF) 143 Page - STMicroelectronics

Part # ST20-C1
Description  Instruction Set Reference Manual
PDF  205 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST20-C1 Datasheet(HTML) 143 Page - STMicroelectronics

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8 Instruction Set Reference
®
smacinit
initialize short multiply accumulate loop
Code: 21 F5
Description: Set the loop count, buffer size, scaling and data format for the
smacloop
instruction.
Definition:
Status
′
mac_count
← Areg ∧ #FF
Status
′
mac_buffer
← (Areg >> 8) ∧ #7
Status
′
mac_scale
← (Areg >> 11) ∧ #3
Status
′
mac_mode
← (Areg >> 13) ∧ #1
Areg
′← Breg
Breg
′← Creg
Creg
′← 0
Status Register:
No effect.
Comments:
Secondary instruction.
See also:
smacloop
Chapter 5
.



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