ST72260G1 STMicroelectronics, ST72260G1 Datasheet - Page 122
ST72260G1
Manufacturer Part Number
ST72260G1
Description
8-BIT MCU WITH FLASH OR ROM MEMORY, ADC, TWO 16-BIT TIMERS, I2C, SPI, SCI INTERFACES
Manufacturer
STMicroelectronics
Datasheet
1.ST72262G2.pdf
(172 pages)
Specifications of ST72260G1
4 K Or 8 Kbytes Program Memory
ROM or single voltage extended Flash (XFlash) with read-out protection, write protection, In-Circuit Programming and In-Application Programming (ICP and IAP). 10K write/erase cycles guaranteed, data retention
Clock Sources
crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
4 Power Saving Modes
Halt, Active Halt,Wait and Slow
Two 16-bit Timers With
2 input captures, 2 output compares, external clock input on one timer, PWM and Pulse generator modes
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ST72260Gx, ST72262Gx, ST72264Gx
INSTRUCTION SET OVERVIEW (Cont’d)
12.1.6 Indirect Indexed (Short, Long)
This is a combination of indirect and short indexed
addressing modes. The operand is referenced by
its memory address, which is defined by the un-
signed addition of an index register value (X or Y)
with a pointer value located in memory. The point-
er address follows the opcode.
The indirect indexed addressing mode consists of
two sub-modes:
Indirect Indexed (Short)
The pointer address is a byte, the pointer size is a
byte, thus allowing 00 - 1FE addressing space,
and requires 1 byte after the opcode.
Indirect Indexed (Long)
The pointer address is a byte, the pointer size is a
word, thus allowing 64 Kbyte addressing space,
and requires 1 byte after the opcode.
Table 25. Instructions Supporting Direct,
Indexed,
Addressing Modes
122/172
LD
CP
AND, OR, XOR
ADC, ADD, SUB, SBC
BCP
CLR
INC, DEC
TNZ
CPL, NEG
BSET, BRES
BTJT, BTJF
SLL, SRL, SRA, RLC,
RRC
SWAP
CALL, JP
Short Instructions
Long and Short
Instructions
Only
Indirect
and
Clear
Test Negative or Zero
1 or 2 Complement
Bit Operations
Bit Test and Jump Opera-
tions
Shift and Rotate Opera-
tions
Swap Nibbles
Call or Jump subroutine
Increment/Decrement
Load
Compare
Logical Operations
Arithmetic Additions/Sub-
stractions operations
Bit Compare
Indirect
Function
Function
Indexed
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 sub-
modes:
Relative (Direct)
The offset is following the opcode.
Relative (Indirect)
The offset is defined in memory, which address
follows the opcode.
JRxx
CALLR
Available Relative
Direct/Indirect
Instructions
Conditional Jump
Call Relative
Function
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