SX18AC/SO Parallax Inc, SX18AC/SO Datasheet - Page 19
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SX18AC/SO
Manufacturer Part Number
SX18AC/SO
Description
IC MCU 2K FLASH 50MHZ SO-18
Manufacturer
Parallax Inc
Series
SXr
Datasheet
1.SX18ACSO.pdf
(43 pages)
Specifications of SX18AC/SO
Core Processor
RISC
Core Size
8-Bit
Speed
50MHz
Number Of I /o
12
Program Memory Size
3KB (2K x 12)
Program Memory Type
FLASH
Ram Size
137 x 8
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
18-SOIC
Voltage - Supply (vcc/vdd)
-
Eeprom Size
-
Data Converters
-
Peripherals
-
Connectivity
-
© 1998 Scenix Semiconductor, Inc. All rights reserved.
Note:The interrupt logic has its own single-level
stack and is not part of the CALL subroutine stack.
5
Register
Register
Register
STATUS
FSR
W
4
Shadow Register
Shadow Register
Shadow Register
Interrupt
Address 0000h
Stack
STATUS
PC
FSR
Figure 8-2. Interrupt Processing
W
Program
Memory
RETI
- 19 -
Register
Register
Register
STATUS
Interrupt
Service
Routine
FSR
W
Interrupt
0000h
Stack
PC
PC
Shadow Register
Shadow Register
Shadow Register
1
2
STATUS
FSR
W
SX18AC / SX20AC / SX28AC
3
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