45181 Parallax Inc, 45181 Datasheet - Page 152
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: 152 of 184
- Download datasheet (2Mb)
15 Appendix E: SX Data Sheet
– SX48/52 Register Map demonstrate the structure of the registers for the SX20/28 and the SX48/52,
respectively. In all SX instructions, bit 4 of the register address operand determines whether the global
registers are accessed or whether a bank of general-purpose registers is accessed.
Page 152 SX-Key/Blitz Development System Manual 2.0 Parallax, Inc.
*Port C is available as general-purpose RAM in the SX20.
* Bank 0 is available only when using semi-direct addressing.
$0A-
$0C-
$0D-
$0A-
$0C-
$0D-
$0B-
$0E-
$0B-
$0E-
$00-
$01-
$02-
$03-
$04-
$05-
$06-
$07-
$08-
$09-
$0F-
$00-
$01-
$02-
$03-
$04-
$05-
$06-
$07-
$08-
$09-
$0F-
Global
Global
Port C*
Port A
Port A
Port C
Port D
RTCC
Status
Port B
RTCC
Status
Port B
Port E
IND
IND
$0A
$0D
$0A
$0D
FSR
$0C
FSR
$0C
$08
$09
$0B
$0E
$0F
$0B
$0E
$0F
PC
PC
Figure 21 - SX20/28 Register Map
Figure 22 - SX48/52 Register Map
$1A-
$1C-
$1D-
$1A-
$1C-
$1D-
$1B-
$1E-
$1B-
$1E-
$10-
$11-
$12-
$13-
$14-
$15-
$16-
$17-
$18-
$19-
$1F-
$10-
$11-
$12-
$13-
$14-
$15-
$16-
$17-
$18-
$19-
$1F-
SX20/28 Register Map
SX48/52 Register Map
Bank 0* Bank 1
Bank 0
$A
$C
$D
$A
$C
$D
$B
$E
$F
$B
$E
$F
$0
$1
$2
$3
$4
$5
$6
$7
$8
$9
$0
$1
$2
$3
$4
$5
$6
$7
$8
$9
Bank 1
$A
$C
$D
$A
$C
$D
$B
$E
$F
$B
$E
$F
$0
$1
$2
$3
$4
$5
$6
$7
$8
$9
$0
$1
$2
$3
$4
$5
$6
$7
$8
$9
Bank 2
Bank 2
$A
$D
$A
$D
$B
$C
$E
$B
$C
$E
$0
$1
$2
$3
$4
$5
$6
$7
$8
$9
$F
$0
$1
$2
$3
$4
$5
$6
$7
$8
$9
$F
———
———
Bank 15
Bank 7
$A
$C
$D
$A
$C
$D
$0
$1
$2
$3
$4
$5
$6
$7
$8
$9
$B
$E
$F
$0
$1
$2
$3
$4
$5
$6
$7
$8
$9
$B
$E
$F
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