AT89C51CC03C-RDRIM Atmel, AT89C51CC03C-RDRIM Datasheet - Page 49
AT89C51CC03C-RDRIM
Manufacturer Part Number
AT89C51CC03C-RDRIM
Description
IC 8051 MCU FLASH 64K 64VQFP
Manufacturer
Atmel
Series
AT89C CANr
Datasheets
1.AT89C51CC03C-S3RIM.pdf
(198 pages)
2.AT89C51CC03C-S3RIM.pdf
(32 pages)
3.AT89C51CC03C-S3RIM.pdf
(27 pages)
4.AT89C51CC03C-S3RIM.pdf
(184 pages)
Specifications of AT89C51CC03C-RDRIM
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
CAN, SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
36
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
AT89C51CC03CRDRTR
Available stocks
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4182O–CAN–09/08
order. The page address of the last address loaded in the column latches will be used
for the whole page.
When programming is launched, an automatic erase of the locations loaded in the col-
umn latches is first performed, then programming is effectively done. Thus no page or
block erase is needed and only the loaded data are programmed in the corresponding
page
Notes:
The following procedure is used to load the column latches and is summarized in
Figure 25:
•
•
•
•
•
•
•
Save and Disable interrupt and map the column latch space by setting FPS bit.
Load the DPTR with the address to load.
Load Accumulator register with the data to load.
Execute the MOVX @DPTR, A instruction.
If needed loop the three last instructions until the page is completely loaded.
unmap the column latch.
Restore Interrupt
1. : If no bytes are written in the column latches the SEQERR bit in the FSTA register
2. When a flash write sequence is in progress (FBUSY is set) a write sequence to the
3. MOVX @DPTR, A instruction must be used to load the column latches. Never use
4. When a programming sequence is launched, Flash bytes corresponding to activated
will be set.
column latches will be ignored and the content of the column latches at the time of
the launch write sequence will be preserved.
MOVX @Ri, A instructions.
bytes in the column latches are first erased then the bytes in the column latches are
copied into the Flash bytes. Flash bytes corresponding to bytes in the column latches
not activated (not loaded during the load column latches sequence) will not be erased
and written.
AT89C51CC03
49
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