AT89C5131A-M Atmel Corporation, AT89C5131A-M Datasheet - Page 183

• Manufacturer Part Number: AT89C5131A-M
• Manufacturer: Atmel Corporation

Specifications of AT89C5131A-M

• Flash (kbytes): 32 Kbytes
• Max. Operating Frequency: 48 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Twi (i2c): 1
• Uart: 1
• Sram (kbytes): 1.25
• Eeprom (bytes): 1024
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 4
• Isp: UART/USB
• Watchdog: Yes

30. Datasheet Revision History
30.1
30.2
30.3
30.4
30.5
4337K–USB–04/08
Changes from 4337F to 4337G
Changes from 4337G to 4337H
Changes from 4337H to 4337I
Changes from 4337I to 4337J
Changes from 4337J to 4337K
1. Added warning regarding hardware conditions on startup, see
1. Hardware Conditions section Page 46 changed to recommend the use of 1K pull-up
2. Updated 52-lead PLCC package drawing.
1. Correction to Kbit/s value
2. Package Drawings updated.
1. Removed non ‘Green’ part numbers from ordering information on page 177.
1. Corrected package drawing
between PSEN and GND in ISP mode.
See “Two Wire Interface (TWI)” on page 102.
“32-lead QFN” on page
AT89C5130A/31A-M
181.
page
48.
183