S3C44B0X

Manufacturer Part NumberS3C44B0X
DescriptionBGA
ManufacturerSamsung
S3C44B0X datasheets
 


Specifications of S3C44B0X

Date_code02+  
S3C2400 PDF datasheetS3C44B0X PDF datasheet #2S3C44B0X PDF datasheet #3
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S3C2400X01 RISC MICROPROCESSOR
FORMAT 14: PUSH/POP REGISTERS
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14
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1
0
1
1
OPERATION
The instructions in this group allow registers 0-7 and optionally LR to be pushed onto the stack, and registers 0-7
and optionally PC to be popped off the stack. The THUMB assembler syntax is shown in Table 4-15.
The stack is always assumed to be Full Descending.
L
B
THUMB assembler
0
0
PUSH { Rlist }
0
1
PUSH { Rlist, LR }
1
0
POP { Rlist }
1
1
POP { Rlist, PC }
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10
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7
L
1
0
R
[7:0] Register List
[8] PC/LR Bit
0 = Do not store LR/Load PC
1 = Store LR/Load PC
[11] Load/Store Bit
0 = Store to memory
1 = Load from memory
Figure 4-15. Format 14
NOTE
Table 4-15. PUSH and POP Instructions
ARM equivalent
STMDB R13!, { Rlist }
STMDB R13!,
{ Rlist, R14 }
LDMIA R13!, { Rlist }
LDMIA R13!, {Rlist, R15}
THUMB INSTRUCTION SET
0
Rlist
Action
Push the registers specified by Rlist onto
the stack. Update the stack pointer.
Push the Link Register and the registers
specified by Rlist (if any) onto the stack.
Update the stack pointer.
Pop values off the stack into the registers
specified by Rlist. Update the stack
pointer.
Pop values off the stack and load into the
registers specified by Rlist. Pop the PC off
the stack. Update the stack pointer.
4-31

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