SX18AC/SO Parallax Inc, SX18AC/SO Datasheet - Page 19

• Manufacturer Part Number: SX18AC/SO
• Description: IC MCU 2K FLASH 50MHZ SO-18
• Manufacturer: Parallax Inc
• Series: SXr

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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