AT89C5131A-M Atmel Corporation, AT89C5131A-M Datasheet - Page 44
AT89C5131A-M
Manufacturer Part Number
AT89C5131A-M
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT89C5130A-M.pdf
(188 pages)
2.AT89C5130A-M.pdf
(4 pages)
3.AT89C5130A-M.pdf
(34 pages)
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
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10.5
44
Registers
AT89C5130A/31A-M
Table 10-1.
Reset Value = XXXX XX00b
Not bit addressable
Bit Number
EEPL3
7-4
7
3
2
1
0
EECON (S:0D2h)
EECON Register
Mnemonic
EEPL2
EEPL3-0
EEBUSY
EEE
6
Bit
-
-
Description
Programming Launch command bits
Write 5Xh followed by AXh to EEPL to launch the programming.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Enable EEPROM Space bit
Set to map the EEPROM space during MOVX instructions (Write in the column
latches)
Clear to map the ERAM space during MOVX.
Programming Busy flag
Set by hardware when programming is in progress.
Cleared by hardware when programming is done.
Cannot be set or cleared by software.
EEPL1
5
EEPL0
4
3
-
2
-
EEE
1
4337K–USB–04/08
EEBUSY
0
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