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ST7LITE29F2 Datasheet(PDF) 114 Page - STMicroelectronics

Part # ST7LITE29F2
Description  8-bit microcontroller with single voltage Flash memory, data EEPROM, ADC, Timers, SPI
PDF  166 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7LITE29F2 Datasheet(HTML) 114 Page - STMicroelectronics

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Instruction set
ST7LITE20F2 ST7LITE25F2 ST7LITE29F2
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Doc ID 8349 Rev 5
12.1.7
Relative mode (direct, indirect)
This addressing mode is used to modify the PC register value, by adding an 8-bit signed
offset to it.
.
The relative addressing mode consists of two submodes:
●
Relative (direct)
The offset follows the opcode.
●
Relative (indirect)
The offset is defined in the memory, the address of which follows the opcode.
12.2
Instruction groups
The ST7 family devices use an Instruction Set consisting of 63 instructions. The instructions
may be subdivided into 13 main groups as illustrated in Table 55:
BTJT, BTJF
Bit Test and Jump operations
SLL, SRL, SRA, RLC, RRC
Shift and Rotate operations
SWAP
Swap nibbles
CALL, JP
Call or Jump sub-routine
Table 53.
Short instructions supporting direct, indexed, indirect and indirect
indexed addressing modes (continued)
Short instructions only
Function
Table 54.
Relative direct and indirect instructions and functions
Available relative direct/indirect instructions
Function
JRxx
Conditional Jump
CALLR
Call Relative
Table 55.
Instruction groups
Group
Instructions
Load and Transfer
LD
CLR
−−
−
−
−
−
Stack operation
PUSH
POP
RSP
−−
−
−
−
Increment/Decrement
INC
DEC
−−
−
−
−
−
Compare and Tests
CP
TNZ
BCP
−−
−
−
−
Logical operations
AND
OR
XOR
CPL
NEG
−−
−
Bit operation
BSET
BRES
−−
−
−
−
−
Conditional Bit Test and Branch
BTJT
BTJF
−−
−
−
−
−
Arithmetic operations
ADC
ADD
SUB
SBC
MUL
−−
−
Shift and Rotates
SLL
SRL
SRA
RLC
RRC
SWAP
SLA
−
Unconditional Jump or Call
JRA
JRT
JRF
JP
CALL
CALLR
NOP
RET



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