45111 Parallax Inc, 45111 Datasheet - Page 158
45111
Manufacturer Part Number
45111
Description
MANUAL FOR SX-KEY/BLITZ VER. 2.0
Manufacturer
Parallax Inc
Datasheet
1.45111.pdf
(184 pages)
Specifications of 45111
Accessory Type
Manual
Product
Microcontroller Accessories
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
Parallax microcontroller
For Use With
70002PAR - GUIDE PROG THE SX MICRO -DAUBACH
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
- Current page: 158 of 184
- Download datasheet (2Mb)
15 Appendix E: SX Data Sheet
To ensure you are writing to the desired register you must first write the correct value to the FSR to
select the proper bank. Table 31 – Bank Addresses and FSR Values and the code fragments will show
you how to directly access the banked registers on the SX20/28 and SX48/52.
Page 158 SX-Key/Blitz Development System Manual 2.0 Parallax, Inc.
$00-
$01-
$02-
$0F-
Figure 27 - SX48/52 General-Purpose Register addressing (direct)
= 1
4
fr (5-bit address in instruction)
Global
RTCC
IND
$0F
PC
3
Register Selection Bits
2
7
$10-
$11-
$12-
$1F-
Bank Selection Bits
1
Bank 0
6
$0
$1
$2
$F
0
5
Bank 1
$0
$1
$2
$F
—
—
FSR ($04)
4
Bank 2
$10 - $1F
$F
$0
$1
$2
3
Ignored because fr.4 is 1
$00 - $F0
———
2
Bank 15
1
$F
$0
$1
$2
0
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