45300 Parallax Inc, 45300 Datasheet - Page 81
![BOARD PROTO SX48](/photos/9/25/92507/mfg_45300_sml.jpg)
45300
Manufacturer Part Number
45300
Description
BOARD PROTO SX48
Manufacturer
Parallax Inc
Type
MCUr
Specifications of 45300
Contents
Board
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
SX48
For Use With
130-28029 - KIT PARTS SMART SENSORS45111 - MANUAL FOR SX-KEY/BLITZ VER. 2.028850 - CARRIER BOARD BOARD OF EDU USB
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
453001
Manufacturer:
LITTELFUSE/力特
Quantity:
20 000
Company:
Part Number:
453002
Manufacturer:
LITTELFU
Quantity:
1 000
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8.3
Symbols are handled by the Parallax Assembler similar to SASM. Therefore, refer to Chapter 7.5 -
Symbols for more details.
8.4
Global, local, and macro Labels are also available in the Parallax Assembler. For more details about
Labels refer to Chapter 7.6 – Labels.
Unlike SASM, global or local labels in source code for the Parallax Assembler may be indented, i.e. they
must not necessarily begin in column 1 of a text line.
8.5
Expressions are handled by the Parallax Assembler similar to SASM. Therefore, refer to Chapter 7.7 –
Expressions for more details.
8.6
Table 17 – Parallax Assembler Error Messages, below, summarizes the error messages that might be
generated by the Parallax Assembler in alphabetic order together with brief explanations in most cases.
“=” must be preceded by a variable
“\” only allowed in MACRO
definition
CALL must be to first half of page
Constant exceeds 32 bits
Constant exceeds 64 digits
Clock frequency must be from 400_000
to 110_000_000
ELSE/ENDIF must be preceded by IF
Empty string
ENDIF required to end IF block
ENDM required to end MACRO
definition
ENDR must be preceded by REPT
ENDR required to end REPT block
EQU must be preceded by a label
Message
Symbols
Labels
Expressions
Error Messages
Table 17 - Parallax Assembler Error Messages
Explanation
No valid symbol exists to the left of the “=”. Check for mistyped symbol. Watch
out for different case when the CASE directive is used. Make sure symbol is not a
reserved word.
The macro argument symbol, “\”, is a meaningless character outside of macros.
The destination address of the CALL instruction points to the second half of a
page. See section 10.6.2 for more information.
The SX-Key assembler can not handle constants whose value is larger than 32 bits
or 64 digits.
The SX-Key assembler can not handle constants whose value is larger than 32 bits
or 64 digits.
Designated frequency used in the FREQ directive is outside the range. The SX-Key
can only clock the SX chip between 400 KHz and 110 KHz.
Check for missing or commented-out IF directive above the ELSE/ENDIF.
Look for undefined string within quotes.
Check for missing or commented-out ENDIF directive below the IF.
Check for missing or commented-out ENDM at the end of a MACRO definition.
Check for missing or commented-out REPT directive above the ENDR.
Check for missing or commented-out ENDR directive below the REPT.
A valid symbol must precede the EQU directive. Check for mistyped symbol.
Watch out for different case when the CASE directive is used.
SX-Key/Blitz Development System Manual 2.0 Parallax, Inc. Page 81
8 The Parallax Assembler
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