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ADDRESSING MODES
KS86C6004/C6008/P6008 MICROCONTROLLER (Preliminary Spec)
3-10
DIRECT ADDRESS MODE (DA)
In Direct Address (DA) mode, the instruction provides the operand's 16-bit memory address. Jump (JP) and Call
(CALL) instructions use this addressing mode to specify the 16-bit destination address that is loaded into the PC
whenever a JP or CALL instruction is executed.
The LDC and LDE instructions can use Direct Address mode to specify the source or destination address for
Load operations to program memory (LDC) or to external data memory (LDE), if implemented.
MEMORY
ADDRESS
USED
LSB SELECTS PROGRAM
MEMORY OR DATA MEMORY:
"0" = PROGRAM MEMORY
"1" = DATA MEMORY
PROGRAM OR
DATA MEMORY
UPPER ADDR BYTE
LOWER ADDR BYTE
dst / src
OPCODE
"0" OR "1"
PROGRAM MEMORY
SAMPLE INSTRUCTIONS:
LDC R5,1234H ; The values in the program address (1234H)
are loaded into register R5.
LDE R5,1234H ; Identical operation to LDC example, except that
external program memory is accessed.
Figure 3-10. Direct Addressing for Load Instructions
Содержание KS86C6004
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Страница 61: ...CONTROL REGISTERS KS86C6004 C6008 P6008 MICROCONTROLLER Preliminary Spec 4 30 NOTES ...
Страница 120: ...CLOCK CIRCUIT KS86C6004 C6008 P6008 MICROCONTROLLERS Preliminary Spec 7 4 NOTES ...
Страница 134: ...I O PORTS KS86C6004 C6008 P6008 MICROCONTROLLER Preliminary Spec 9 10 NOTES ...
Страница 143: ...KS86C6004 C6008 P6008 MICROCONTROLLER Preliminary Spec BASIC TIMER and TIMER 0 10 9 NOTES ...
Страница 162: ...KS86C6004 C6008 P6008 MICROCONTROLLER Preliminary Spec ELECTRICAL DATA 12 9 ...
Страница 164: ...KS86C6004 C6008 P6008 MICROCONTROLLER Preliminary Spec ELECTRICAL DATA 12 11 NOTES ...
Страница 172: ...KS86P6008 OTP KS86C6004 C6008 P6008 MICROCONTROLLER Preliminary Spec 14 6 NOTES ...