AT89C5131A-M Atmel Corporation, AT89C5131A-M Datasheet - Page 184

• 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

1
2
3
4
5
6
7
8
9
10 EEPROM Data Memory .......................................................................... 43
Description ............................................................................................... 2
Block Diagram .......................................................................................... 3
Pinout Description ................................................................................... 4
Typical Application ................................................................................ 12
Clock Controller ..................................................................................... 14
SFR Mapping .......................................................................................... 20
Dual Data Pointer Register .................................................................... 27
Program/Code Memory .......................................................................... 29
Flash EEPROM Memory ........................................................................ 38
3.1
3.2
4.1
4.2
5.1
5.2
5.3
5.4
8.1
8.2
8.3
8.4
9.1
9.2
9.3
9.4
9.5
9.6
10.1
10.2
Pinout ................................................................................................................4
Signals ...............................................................................................................6
Recommended External components .............................................................12
PCB Recommandations ..................................................................................13
Introduction ......................................................................................................14
Oscillator ..........................................................................................................14
PLL ..................................................................................................................15
Registers .........................................................................................................17
External Code Memory Access .......................................................................29
Flash Memory Architecture ..............................................................................31
Overview of FM0 Operations ...........................................................................32
Registers .........................................................................................................37
General Description .........................................................................................38
Features ..........................................................................................................38
Flash Programming and Erasure .....................................................................38
Flash Registers and Memory Map ...................................................................39
Flash Memory Status .......................................................................................42
Memory Organization ......................................................................................42
Description .......................................................................................................43
Write Data in the Column Latches ...................................................................43
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