45205 Parallax Inc, 45205 Datasheet - Page 157
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: 157 of 184
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General-purpose registers can only be accessed within one bank at a time. The general-purpose registers
are numbered $10 through $1F. The active bank is controlled by the upper 3 bits of the FSR (SX20/28) as
shown in Figure 26 – SX20/28 General Purpose Register Addressing (direct) or the upper 4 bits of the
FSR (SX48/52) as shown in Figure 27 – SX 48/52 General-Purpose Register Addressing (direct).
$00-
$01-
$02-
$0F-
Figure 26 - SX20/28 General Purpose Register Addressing (direct)
= 1
4
fr (5-bit address in instruction)
Global
RTCC
IND
$0F
PC
3
Register Selection Bits
2
Bank Selection Bits
7
$10-
$11-
$12-
$1F-
1
Bank 0
6
$0
$1
$2
$F
SX-Key/Blitz Development System Manual 2.0 Parallax, Inc. Page 157
0
5
Bank 1
$0
$1
$2
$F
—
—
15 Appendix E: SX Data Sheet
FSR ($04)
4
Bank 2
Ignored because fr.4 is 1
$10 - $1F
$F
$0
$1
$2
3
$00, $20, $40, $60, $80,
$A0, $C0, or $E0
———
2
Bank 7
1
$F
$0
$1
$2
0
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