45181 Parallax Inc, 45181 Datasheet - Page 160
45181
Manufacturer Part Number
45181
Description
SX TECH TOOL KIT NO POWER
Manufacturer
Parallax Inc
Series
SXr
Type
Microcontrollerr
Datasheet
1.45180.pdf
(184 pages)
Specifications of 45181
Contents
SX Book, SX Key, SX Tech Board, Samples, Resonators, Cable and Manual
Product
Microcontroller Basic Stamps
Operating Supply Voltage
5 V
For Use With/related Products
SX MCUs
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 160 of 184
- Download datasheet (2Mb)
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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