ST10F269Z2QX View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'ST10F269Z2QX' PDF : 161 Pages View PDF
ST10F269Z2Qx
The Table 5 shows the various combinations of pointer post-modification for each of these 2 new
addressing modes. In this document the symbols “[Rwn⊗]” and “[IDXi⊗]” refer to these addressing
modes.
Table 5 : Pointer Post-modification Combinations for IDXi and Rwn
Symbol
Mnemonic
Address Pointer Operation
“[IDXi⊗]” stands for
[IDXi]
[IDXi+]
[IDXi-]
(IDXi) ← (IDXi)
(IDXi) ← (IDXi) + 2
(IDXi) ← (IDXi) - 2
(no-op)
(i=0,1)
(i=0,1)
“[Rwn⊗]” stands for
[IDXi + QXj]
[IDXi - QXj]
[Rwn]
[Rwn+]
[Rwn-]
[Rwn + QRj]
(IDXi) ← (IDXi) + (QXj)
(IDXi) ← (IDXi) - (QXj)
(Rwn) ← (Rwn)
(Rwn) ← (Rwn) + 2
(Rwn) ← (Rwn) - 2
(Rwn) ← (Rwn) + (QRj)
(i, j =0,1)
(i, j =0,1)
(no-op)
(n=0-15)
(n=0-15)
(n=0-15; j =0,1)
[Rwn - QRj]
(Rwn) ← (Rwn) - (QRj)
(n=0-15; j =0,1)
Table 6 : MAC Registers Referenced as ‘CoReg‘
Registers
Description
Address in Opcode
MSW
MAH
MAS
MAL
MCW
MRW
MAC-Unit Status Word
MAC-Unit Accumulator High
“limited” MAH /signed
MAC-Unit Accumulator Low
MAC-Unit Control Word
MAC-Unit Repeat Word
00000b
00001b
00010b
00100b
00101b
00110b
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