AT89C51RE2 Atmel Corporation, AT89C51RE2 Datasheet - Page 51

• Manufacturer Part Number: AT89C51RE2
• Manufacturer: Atmel Corporation

Specifications of AT89C51RE2

• Flash (kbytes): 128 Kbytes
• Max. Operating Frequency: 60 MHz
• Cpu: 8051-12C
• Max I/o Pins: 34
• Spi: 1
• Uart: 2
• Sram (kbytes): 8.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 5.5
• Timers: 4
• Isp: UART/OCD
• Watchdog: Yes

7663E–8051–10/08
Table 29. Write MOVX @DPTR,A
Table 30. MOVC A, @A+DPTR executed from External code EA=0
Table 31. MOVC A, @A+DPTR executed from External code EA=1, PC>=0x8000, FBS=Bank3
FMOD2:0
FMOD2:0
X
FCCON
FPS of
X
0
1
(Target)
MBO
X
X
(Fetch)
>= 0x8000
< 0x8000
FBS
DPTR
X
EA
X
1
0
Can Returns Random value, for secured part.
(Target)
MBO
X
MOVC A,@A+DPTR
Depends on FLB2:0
XRAM
ERAM
winner
winner
External code read
AT89C51RE2
MOVC A,@A+DPTR
Read External Code
CL FM0
winner
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