45205 Parallax Inc, 45205 Datasheet - Page 158
![SX TECH BOARD](/photos/28/95/289537/45205-l_sml.jpg)
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
- 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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