QW1 TechTools, QW1 Datasheet - Page 184

• Manufacturer Part Number: QW1
• Description: PROGRAMMER PIC MCU QUICKWRITER
• Manufacturer: TechTools
• Series: QuickWriter™r
• Type: QuickWriterr

Specifications of QW1

• Contents: MCU Programmer with In-Circuit Serial Programming Cable and Optional GANG Adapters
• For Use With/related Products: PIC Micro® MCU
• For Use With: CBL-ICSP - CABLE PROG QUICKWRITER SERIALQW-4SSOP18 - ADAPTER QUICKWRITER 4GANG 18SSOPQW-4SSOP28 - ADAPTER QUICKWRITER 4GANG 28SSOPQW-4SO8/14W - ADAPT QUICKWRTR 4GANG 8/14SOIC WQW-4SO8/14N - ADAPT QUICKWRTR 4GANG 8/14SOIC NQW-4SOIC18 - ADAPTER QUICKWRITER 4GANG 18SOICQW-4ZIF18 - ADAPTER QUICKWRITER 4-GANG 18ZIFQW-4SOIC28 - ADAPTER QUICKWRITER 4GANG 28SOICQW-4PLCC44 - ADAPTER QUICKWRITER 4GANG 44PLCCQW-4ZIF40/28 - ADAPT QUICKWRITER 4GANG 40/28ZIFMP-ZIF14 - ADAPTER QUICKWRITER 14-PIN ZIFMP-SOIC8/14 - ADAPTER QUICKWRITER 8/14-SOICMP-SSOP18 - ADAPTER QUICKWRITER 18-SSOPMP-SSOP28 - ADAPTER QUICKWRITER 28-SSOPMP-14000 - ADAPTR QUICKWRTR PIC14000 28-PINMP-SOIC18 - ADAPTER QUICKWRITER 18-SOICMP-SOIC28 - ADAPTER QUICKWRITER 28-SOICMP-PLCC44 - ADAPTER QUICKWRITER 44-PIN PLCCMP-ZIF18/28 - ADAPTER QUICKWRITER 18/28PIN ZIFMP-ZIF40 - ADAPTER QUICKWRITER 40-PIN ZIF

4.2.32 RET, RETFI, RETW
178
RET
RETI
RETW literal1,literal2,...
PicTools Manual 3.0
Words:
Operation:
devices, W is cleared to 0.
Coding: '5x
Words:
Operation:
enabled by setting the Global Interrupt Enable bit, GIE (INTCON.7).
Coding: 'xx
Words:
Operation:
be accessed by JMP PC+W or JMP W instructions. This is useful for lookup tables.
Coding:
Example: jmp
'xx
(RETLW
(RETLW
retw
retw
retw
1
RETURN
1
?
RETLW
00100011b
00h,01h,02h,03h
’Enter cycle count’
Return from subroutine
Cycles: 2
The next stack value is moved into the program counter. On '5x
RETLW
Return from Interrupt
Cycles: 2
The next stack value is moved into the program counter. Interrupts are
RETFIE
Cycles: 2 per RETLW
A list of RET’s with literal data in the W area is assembled, which can
literal2)
...)
pc+w
145
145
Assemble RET’s which load W with literal data
literal1
;Jump to byte at location pc+w
;Return with w holding appropriate
145
145
0
;value
Affects: none
Affects: none
Affects: none
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