45300 Parallax Inc, 45300 Datasheet - Page 124
![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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13 Appendix C: SX Instruction Set
BANK
Operation: Writes file registers bits 7 through 5 (on the SX20/28) or 6 through 4 (on the SX48/52) to the same bits in
CALL
Operation: The next instruction address is pushed onto the stack and addr8 is moved to the program counter. The
CJA
Operation: op1 is compared to op2. If op1 is greater than op2, a jump to addr9 is executed. W is left holding the
Page 124 SX-Key/Blitz Development System Manual 2.0 Parallax, Inc.
BANK
1) CALL
1) CJA
2) CJA
Command
Command
Command
dest
fr
the file select register (FSR) in preparation for a RAM access across a bank boundary. The full 8-bit file
register address must be used as the destination. On the SX48/52, bit 7 in the FSR is used to select between
upper and lower block of banks. This bit is not affected by the BANK instruction, and must be set or cleared with a
separate SETB FSR.7 or CLRB FSR.7 following the BANK instruction.
addr8
addr8
ninth bit of the program counter will be cleared to 0. Therefore, calls are only allowed to the first half of
any 512-word page, although the CALL instruction can be anywhere.
op1, op2, addr9
fr, #literal, addr
fr1, fr2, addr
result of op1 + ~op2 in command #1 and op2 - op1 in command #2. If CARRYX is specified, c affects the
result. Insert a CLC before command #1 and an STC before command #2 to avoid strange results.
Words
Words
Words
1
1
4
4
4 or 6 (jump)
4 or 6 (jump)
(16 or 20)
(16 or 20)
Cycles
Cycles
Cycles
1 (4)
3 (8)
W, C, DC, Z
W, C, DC, Z
Affects
Affects
Affects
FSR
PC
Compare op1 to op2 and jump if above
Call subroutine with 8-bit address
0000 0001 1fff BANK fr
1001 kkkk kkkk CALL addr8
1100 kkkk kkkk MOV W, #lit^$FF
0001 110f ffff ADD W, fr
0110 0000 0011 SNC
101k kkkk kkkk JMP addr9
0010 000f ffff MOV W, fr1
0000 100f ffff MOV W, fr2-W
0111 0000 0011 SC
101k kkkk kkkk JMP addr9
Set bank select bits
Coding
Coding
Coding
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