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ST72325AR7-Auto Datasheet(PDF) 185 Page - STMicroelectronics

Part # ST72325AR7-Auto
Description  SCI asynchronous serial interface
PDF  243 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72325AR7-Auto Datasheet(HTML) 185 Page - STMicroelectronics

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Product(s)
ST72325xxx-Auto
Instruction set
Doc ID 13770 Rev 3
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18.1.7
Relative (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 is following the opcode.
Relative (indirect)
The offset is defined in memory, which address follows the opcode.
18.2
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 the following table:
Short instructions only
CLR
Clear
INC, DEC
Increment/Decrement
TNZ
Test Negative or Zero
CPL, NEG
1 or 2 Complement
BSET, BRES
Bit Operations
BTJT, BTJF
Bit Test and Jump Operations
SLL, SRL, SRA, RLC, RRC Shift and Rotate Operations
SWAP
Swap Nibbles
CALL, JP
Call or Jump subroutine
Table 101.
Instructions supporting direct, indexed, indirect, and indirect indexed
addressing modes (continued)
Type
Instruction
Function
Table 102.
Available relative direct/indirect instructions
Instruction
Function
JRxx
Conditional Jump
CALLR
Call Relative
Table 103.
Instruction groups
Group
Instructions
Load and Transfer
LD
CLR
Stack operation
PUSH
POP
RSP
Increment/Decrement
INC
DEC
Compare and Tests
CP
TNZ
BCP



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