45205 Parallax Inc, 45205 Datasheet - Page 160
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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15 Appendix E: SX Data Sheet
15.2.11 Indirect Addressing
To access any register via indirect addressing, simply move the 8-bit address of the register you wish to
access into the FSR and use IND ($00) as the operand.
Page 160 SX-Key/Blitz Development System Manual 2.0 Parallax, Inc.
* FSR.4 must be 1 to access banked general purpose RAM, set FSR.4 = 0 for global RAM.
$00-
$01-
$02-
$0F-
4
fr (5-bit address in instruction)
Global
RTCC
IND
$0F
PC
3
Figure 28- SX20/28 Indirect register addressing
Must be = $00
2
Bank Selection Bits
7
$10-
$11-
$12-
$1F-
1
Bank 0
6
$0
$1
$2
$F
0
5
Bank 1
$0
$1
$2
$F
—
—
I=1*
FSR ($04)
4
Bank 2
$F
$0
$1
$2
$00
3
$01 - $FF
Register Address
———
2
Bank 7
1
$0
$1
$2
$F
0
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