L9803 STMicroelectronics, L9803 Datasheet - Page 107

• Manufacturer Part Number: L9803
• Description: Super Smart Power Motor Driver With 8-bit Mcu, Ram, Eeprom, Adc, Wdg, Timers, Pwm And H-bridge Driver
• Manufacturer: STMicroelectronics

L9803
Immediate:
Immediate instructions have two bytes, the first byte contains the opcode, the second byte
contains the operand value.
Direct (Short, Long):
In Direct instructions, the operands are referenced by their memory address, which follows
the opcode.
The direct addressing mode consists of two sub-modes:
Direct (short):
The address is a byte, thus requires only one byte after the opcode, but only allows 00 - FF
addressing space.
Direct (long):
The address is a word, thus allowing 64Kb addressing space, but requires 2 bytes after the
opcode.
LD
CP
BCP
AND, OR, XOR
ADC, ADD, SUB, SBC
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
.
Available Long and Short Direct Instructions
Short Direct Instructions Only
Immediate Instruction
Clear
Increment/Decrement
Test Negative or Zero
1 or 2 Complement
Bit Operations
Bit Test and Jump Operations
Shift and Rotate Operations
Swap Nibbles
Call or Jump subroutine
Load
Compare
Bit Compare
Logical Operations
Arithmetic Operations
Load
Compare
Logical Operations
Arithmetic Additions/Substructions operations
Bit Compare
Function
Function
Function
Instruction Set
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