45205 Parallax Inc, 45205 Datasheet - Page 50
45205
Manufacturer Part Number
45205
Description
SX TECH BOARD
Manufacturer
Parallax Inc
Type
MCUr
Datasheet
1.45180.pdf
(184 pages)
Specifications of 45205
Contents
Board
For Use With/related Products
SX MCUs
For Use With
28825 - MINI SOUND PLAYER SOUNDPAL130-28029 - KIT PARTS SMART SENSORS
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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7 The SASM Assembler
* Any of these OSC settings may be used when an external clock source is connected to OSC1.
** Many instructions are adversely affected by the carry flag when CARRYX is specified. See Appendix B (Chapter 1) and
Page 50 SX-Key/Blitz Development System Manual 2.0 Parallax, Inc.
Setting
SX48/SX48BD/PINS48
SX52/SX52BD/PINS52
OSCHS3
OSCHS2
OSCHS1
OSCXT2
OSCXT1
OSCLP2
OSCLP1
OSCRC
OSC4MHZ
OSC1MHZ
OSC128KHZ
OSC32KHZ
IFBD
XTLBUFD
IRC_CAL
BOR42
BOR26
BOR22
BOROFF
CARRYX
SYNC
WATCHDOG
PROTECT
SLEEPCLK
WDRT60
WDRT960
WDRT006
WDRT184
Appendix C (Chapter 0) for more information.
Description
Specifies the device type
High speed crystal/res., 1MHz…75MHz *
High speed crystal/res., 1MHz…50MHz *
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
Specifies internal oscillator @ 4MHz
Specifies internal oscillator @ 1 MHz
Specifies internal oscillator @ 128 kHz
Specifies internal oscillator @ 32 kHz
Disables the internal feedback resistor, i.e.
an external feedback resistor is required
between the OSC1 and OSC2 pins
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.
Specifies the calibration value for the
internal RC oscillator, options are
IRC_SLOW, IRC_4MHZ and IRC_FAST
Brownout to trigger at < 4.2 volts
Brownout to trigger at < 2.6 volts
Brownout to trigger at < 2.2 volts
Disable Brownout reset
ADD and SUB instructions use Carry flag as input*
Enable input syncing
Enable the watchdog timer
Enable code protection
Enable clock generation during sleep
mode
60 ms reset delay time
1 s reset delay time
0.25 ms reset delay time
18 ms reset delay time
Table 7 - SX48/52 DEVICE Settings
SX48, SX52 DEVICE Settings
Default
SX18
OSCRC
4 MHz
internal feedback
resistor enabled
enabled
IRC_SLOW
BOROFF
Carry flag ignored
disabled
disabled
disabled
disabled
18 ms
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