SX18AC/SO Parallax Inc, SX18AC/SO Datasheet - Page 15

• 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.
Function Registers
STATUS
RTCC
INDF
FSR
PC
RA
RB
RC
Figure 6-1. Data Memory Organization
00
10
1F
07
0F
each bank
128 bytes
Registers
(8 bytes)
(16 bytes
- 15 -
(8 bytes)
Bank 0
SRAM
Bank 0
SRAM
total)
Bank 1
Bank 2
Bank 3
Bank 4
30
3F
Bank 5
50
5F
Bank 6
70
7F
Bank 0 is always accessed for
the lower 16 addresses,
irrespective of the three high-
order bits of FSR.
90
Bank 7
9F
B0
BF
7
D0
DF
6
F0
FF
5 4
SX18AC / SX20AC / SX28AC
3
2
www.scenix.com
1
0
FSR