AT89C5131A-L Atmel Corporation, AT89C5131A-L Datasheet - Page 164

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

Specifications of AT89C5131A-L

• 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): 3.0 to 3.6
• Timers: 4
• Isp: UART/USB
• Watchdog: Yes

164
AT89C5131A-L
Table 115. AC Parameters for a Fix Clock (F = 40 MHz)
Table 116. AC Parameters for a Variable Clock
Symbol
T
T
T
T
T
T
T
T
T
T
T
PLPH
PLAZ
LHLL
AVLL
LLAX
LLPL
PXIX
AVIV
LLIV
PLIV
PXIZ
Symbol
T
T
T
T
T
T
T
T
T
T
T
PLPH
LHLL
AVLL
LLAX
LLPL
PLAZ
PLIV
PXIX
PXIZ
AVIV
LLIV
T
Type
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
Standard
Min
Clock
2 T - x
4 T - x
3 T - x
3 T - x
5 T - x
25
40
10
10
15
55
0
T - x
T - x
T - x
T - x
x
x
X2 Clock
0.5 T - x
0.5 T - x
0.5 T - x
1.5 T - x
1.5 T - x
0.5 T - x
2.5 T - x
2 T - x
T - x
x
x
Max
70
35
18
85
10
X Parameter
10
15
15
30
10
20
40
40
10
0
7
Units
4338F–USB–08/07
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns