45111 datasheet(80/184 Pages) ETC2

80 / 184 page

8 The Parallax Assembler

Page 80

• SX-Key/Blitz Development System Manual 2.0 • Parallax, Inc.

Table 16 - Parallax Assembler DEVICE Options

Setting

Description

Default

SX18/SX18L

SX28/SX28L

SX48

SX52

Specifies the device type

SX18

OSCHS3/OSCXTMAX

OSCHS2/OSCXT5

OSCHS1/OSCXT4

OSCXT2/OSCXT3

OSCXT1

OSCLP2

OSCLP1/OSCXTMIN

OSCRC

High speed crystal/res., 1MHz…75MHz *

High speed crystal/res., 1MHz…50MHz *

Normal crystal/res., 1MHz…24MHz *

Normal crystal/res., 32kHz…10MHz *

Low power crystal/res., 32kHz…1MHz *

Low power crystal/resonator, 32kHz *

External RC circuit

OSCHS2

OSC4MHZ

OSC1MHZ

OSC128KHZ

OSC32KHZ

Specifies internal oscillator @ 4MHz

Specifies internal oscillator @ 1 MHz

Specifies internal oscillator @ 128 kHz

Specifies internal oscillator @ 32 kHz

4 MHz

IFBD

Disables the internal feedback resistor, i.e. an external feedback resistor is

required between the OSC1 and OSC2 pins

internal feedback

resistor enabled

XTLBUFD / DRIVEOFF

Disables the crystal drive (on OSC2 pin). Use this option to lower power

consumption when using a crystal-oscillator-pack connected only to OSC1

pin.

enabled

DRT18MS

DRT60MS

DRT960MS

DRT60US

Device reset timer waits 18 ms

Device reset timer waits 60 ms

Device reset timer waits 960 ms

Device reset timer waits 60 us

DRT18MS

BOR42

BOR26

BOR22

Brownout to trigger at < 4.2 volts

Brownout to trigger at < 2.6 volts

Brownout to trigger at < 2.2 volts

no brownout

TURBO

Specifies turbo mode (1:1 execution)

1:4 execution

STACKX_OPTIONX

Stack is extended to 8 levels and Option register is extended to 8 bits

2 levels/6 bits

CARRYX

ADD and SUB instructions use Carry flag as input*

Carry flag ignored

SYNC

Input Syncing enabled

Input Syncing

disabled

WATCHDOG

Watchdog Timer enabled

Watchdog disabled

PROTECT

Code Protect enabled

Code Protect

disabled

SLEEPCLOCK

Clock is enabled during sleep

No clock during sleep

* Many instructions are adversely affected by the carry flag when CARRYX is specified. See Appendix B (chapter 1) and

Appendix C (chapter 0) for more information.

Shaded areas indicate SX48/52-only directives.

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