COP8SA-DM National Semiconductor, COP8SA-DM Datasheet - Page 138
COP8SA-DM
Manufacturer Part Number
COP8SA-DM
Description
MODULE DEBUGGING FOR COP8SA
Manufacturer
National Semiconductor
Datasheet
1.DM-COP820D.pdf
(254 pages)
Specifications of COP8SA-DM
Module/board Type
Debugger Module
For Use With/related Products
Cop 8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
*COP8SA-DM
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Syntax:
Description:
Operation:
2-100
Instruction
RETI
COP8SAx7 MICROCONTROLLER
RETI
The Stack Pointer (SP) is first incremented. The contents of the data
memory location referenced by SP are then transferred to PCU (Upper
7 bits of PC), and SP is again incremented. Next, the contents of the data
memory location referenced by SP are transferred to PCL (Lower 8 bits
of PC). The return address has now been retrieved from the software
stack in data memory RAM. The program now jumps to the program
memory location accessed by PC. The Global Interrupt Enable flag (GIE)
is set to 1.
PCU <- [SP + 1]
PCL <- [SP + 2]
[SP + 2] : SET UP FOR NEXT STACK REFERENCE
GIE <- 1
Implicit
Addressing Mode
Instruction
Cycles
5
Bytes Hex Op Code
1
8F
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