Flat Panel Television User Manual
Table Of Contents
- TOC
- 01-Overview
- 02-Address Space
- 03-Addressing Modes
- 04-Control Registers
- 05-Interrupt Structure
- 06-Instruction Set
- 07-Clock and Power Circuits
- 08-RESET
- 09-IO PORTS
- 10-BASIC TIMER and TIMER 0
- 11-Timer1
- 12-CounterA
- 13-Timer2
- 14-EMBEDDED Flash Memory Interface
- 15-Low Voltagge Detector
- 16-Electrical Data
- 17-Mechanical Data
- 18-Flash MCU
- 19-Development Tool
- TOC.pdf
ADDRESSING MODES S3F80P5_UM_ REV1.00
INDIRECT REGISTER ADDRESSING MODE (Continued)
dst
OPCODE
4-bit Working
Register Address
Sample Instructions:
LCD R5,@RR6 ; Program memory access
LDE R3,@RR14 ; External data memory access
LDE @RR4, R8 ; External data memory access
Program Memory
Register File
src
Value used in
Instruction
OPERAND
Example Instruction
References either
Program Memory or
Data Memory
Program Memory
or
Data Memory
Next 2-bit Point
to Working
Register Pair
(1 of 4)
LSB Selects
16-Bit
address
points to
program
memory
or data
memory
RP0 or RP1
MSB Points to
RP0 or RP1
Selected
RP points
to start of
working
register
block
NOTE: LDE command is not available, because an external interface is not implemented
for the S3F80K5.
Register
Pair
Figure 3-6. Indirect Working Register Addressing to Program or Data Memory
3-6