AMG-XB404 Datasheet, PDF (59/73 Pages) alpha microelectronics gmbh – Fully Integrated Single Motor Controller for Electrical Motors

AMG-XB404
Fully Integrated Single Motor Controller for Electrical Motors
5.11. MCU Instruction Set
Flag Description
C Carry flag
Z Result is zero
N Result is negative
V Two's complement overflow indicator
S N+V, used for signed tests
H Half carry flag
T Transfer bit used (BLD and BST instructions)
I Global interrupt Enable flag
Table 33: MCU flags
Operand Description
Rd Destination register in register file
Rr Source register in register file
R
Result after instruction executed
K
Constant data
k
Constant address
b
Bit in register file or IO register
s
bit in status register
X,Y,Z Indirect address register (X={R27:R26}, Y={R29:R28},
Z={R31:R30})
A
I/O location address
q
displacement for indirect addressing
Table 34: MCU operands
AMG-XB404
Revision: A
2. Nov. 2012 © All rights reserved
Page 59 of 73