AT89C5131A-L Atmel Corporation, AT89C5131A-L Datasheet - Page 149
AT89C5131A-L
Manufacturer Part Number
AT89C5131A-L
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT89C5130A-M.pdf
(34 pages)
2.AT89C5131A-L.pdf
(4 pages)
3.AT89C5131A-L.pdf
(186 pages)
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
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Reset Output
4338F–USB–08/07
As detailed in Section “Hardware Watchdog Timer”, page 155, the WDT generates a 96-
clock period pulse on the RST pin. In order to properly propagate this pulse to the rest of
the application in case of external capacitor or power-supply supervisor circuit, a 1 kΩ
resistor must be added as shown Figure 74.
Figure 74. Recommended Reset Output Schematic
VDD
VSS
VSS
+
RST
1K
RST
AT89C5131A-M
To other
on-board
circuitry
149
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