AT89C5131A-M Atmel Corporation, AT89C5131A-M Datasheet - Page 165

• 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

27.4.2
4337K–USB–04/08
External Program Memory Characteristics
Table 27-2.
Table 27-3.
Symbol
T
T
T
T
T
T
T
T
T
T
T
PLPH
LHLL
AVLL
LLAX
PLAZ
LLPL
PLIV
PXIX
PXIZ
AVIV
LLIV
T
Symbol
T
T
T
T
T
T
T
T
T
T
T
Symbol Description
AC Parameters for a Fix Clock (F = 40 MHz)
PLPH
PLAZ
LHLL
AVLL
LLAX
LLPL
PXIX
AVIV
PLIV
PXIZ
Parameter
Oscillator Clock Period
ALE Pulse Width
Address Valid to ALE
Address Hold after ALE
ALE to Valid Instruction In
ALE to PSEN
PSEN Pulse Width
PSEN to Valid Instruction In
Input Instruction Hold after PSEN
Input Instruction Float after PSEN
Address to Valid Instruction In
PSEN Low to Address Float
LLIV
T
Min
25
40
10
10
15
55
0
AT89C5130A/31A-M
Max
70
35
18
85
10
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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