SX28AC/SS Parallax Inc, SX28AC/SS Datasheet - Page 24

• Manufacturer Part Number: SX28AC/SS
• Description: IC MCU 2K FLASH 50MHZ 28SSOP
• Manufacturer: Parallax Inc
• Series: SXr

Specifications of SX28AC/SS

• Core Processor: RISC
• Core Size: 8-Bit
• Speed: 75MHz
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 20
• Program Memory Size: 3KB (2K x 12)
• Program Memory Type: FLASH
• Ram Size: 136 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-SSOP
• Product: Microcontroller Basic Stamps
• Flash: 2 KBytes
• Timers: 8 bit
• Operating Supply Voltage: 3 to 5.5 V
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: No RoHS Version Available

Parallax SX20AC/SX28AC
© Parallax Inc.
FOSC2:FOSC0
Parallax Stock#
011
011
011
011
011
011
011
011
011
011
100
100
100
100
101
101
101
101
250-04050
250-14050
250-02060
250-12060
250-05060
250-15060
252-00005
Table 9-2: External Component Selection for Murata Ceramic Resonators (V
Frequency
20 MHz
20 MHz
20 MHz
20 MHz
33 MHz
33 MHz
33 MHz
33 MHz
50 MHz
50 MHz
50 MHz
50 MHz
4 MHz
4 MHz
4 MHz
8 MHz
8 MHz
8 MHz
Frequency
Table 9-3: Clock Devices Available through Parallax Inc.
20 MHz
50 MHz
50 MHz
75 MHz
20 Mhz
4 MHz
4 MHz
CSA4.00MG
CST4.00MGW
CSTCC4.00G0H6
CSA8.00MTZ
CST8.00MTW
CSTCC8.00MG0H6
CSA20.00MXZ040
CST20.00MXW0H1
CSACV20.00MXJ040
CSTCV20.00MXJ0H1
CSA33.00MXJ040
CST33.00MXW040
CSACV33.00MXJ040
CSTCV33.00MXJ040
CSA50.00MXZ040
CST50.00MXW0H3
CSACV50.00MXJ040
CSTCV50.00MXJ0H3
Resonator Part Number
Ceramic resonator
Ceramic resonator
Ceramic resonator
Ceramic resonator
Ceramic resonator
Ceramic resonator
Device Type
TTL Oscillator
Page 24 of 51
Internal (30 pF)
Internal (47 pF)
Internal (30 pF)
Internal (47 pF)
Internal (15 pF)
Internal (15 pF)
Internal (15 pF)
Internal (5 pF)
Internal (5 pF)
Internal (5 pF)
8-pin DIP half-size
30 pF
30 pF
15 pF
15 pF
Package
5 pF
5 pF
5 pF
5 pF
3-pin SIP
3-pin SIP
3-pin SIP
C1
SMT
SMT
SMT
Murata CSTS0400MG03
Jiankang ZZTTC4.0MG
Murata CST20.00MXW040
Transko CR3731M-20.000MHz
Murata CSTLS50M0X51-B0
Murata CSTCV50.00MXJ040-TC20
Transko SX0550HT00ET
Internal (30 pF)
Internal (47 pF)
Internal (30 pF)
Internal (47 pF)
Internal (15 pF)
Internal (15 pF)
Internal (15 pF)
Internal (5 pF)
Internal (5 pF)
Internal (5 pF)
30 pF
15 pF
15 pF
5 pF
5 pF
5 pF
5 pF
Manufacturer/Part #
C2
dd
= 5.0 V)
Rev 1.6 11/20/2006
www.parallax.com
22 kΩ
22 kΩ
10 kΩ
10 kΩ
10 kΩ
10 kΩ
1 MΩ
1 MΩ
1 MΩ
1 MΩ
1 MΩ
1 MΩ
1 MΩ
1 MΩ
1 MΩ
1 MΩ
1 MΩ
1 MΩ
R
F
0 Ω
0 Ω
0 Ω
0 Ω
0 Ω
0 Ω
0 Ω
0 Ω
0 Ω
0 Ω
0 Ω
0 Ω
0 Ω
0 Ω
0 Ω
0 Ω
0 Ω
0 Ω
R
S