AT89C51RC-24PC Atmel, AT89C51RC-24PC Datasheet - Page 9
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AT89C51RC-24PC
Manufacturer Part Number
AT89C51RC-24PC
Description
IC MICRO CTRL 24MHZ 40DIP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51RC-24PU.pdf
(36 pages)
Specifications of AT89C51RC-24PC
Core Processor
8051
Core Size
8-Bit
Speed
24MHz
Connectivity
SPI, UART/USART
Peripherals
WDT
Number Of I /o
32
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
0°C ~ 70°C
Package / Case
40-DIP (0.600", 15.24mm)
For Use With
AT89STK-11 - KIT STARTER FOR AT89C51RX2
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
AT89C51RC24PC
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C51RC-24PC
Manufacturer:
ATM
Quantity:
2 900
Table 5-3.
Table 5-4.
1920D–MICRO–6/08
AUXR
–
DISALE
EXTRAM
DISRTO
WDIDLE
AUXR1
–
DPS
Reserved for future expansion
Disable/Enable ALE
DISALE
0
1
Internal/External RAM access using MOVX @ Ri/@DPTR
EXTRAM
0
1
Disable/Enable Reset out
DISRTO
0
1
Disable/Enable WDT in IDLE mode
WDIDLE
0
1
Reserved for future expansion
Data Pointer Register Select
DPS
0
1
AUXR1: Auxiliary Register 1
AUXR: Auxiliary Register
Address = 8EH
Not Bit Addressable
Address = A2H
Not Bit Addressable
Bit
Bit
Operating Mode
ALE is emitted at a constant rate of 1/6 the oscillator frequency
ALE is active only during a MOVX or MOVC instruction
Operating Mode
Internal ERAM (00H-FFH) access using MOVX @ Ri/@DPTR
External data memory access
Operating Mode
Reset pin is driven High after WDT times out
Reset pin is input only
Operating Mode
WDT continues to count in IDLE mode
WDT halts counting in IDLE mode
Selects DPTR Registers DP0L, DP0H
Selects DPTR Registers DP1L, DP1H
–
7
–
7
–
6
–
6
–
5
–
5
WDIDLE
4
–
4
DISRTO
3
–
3
–
2
–
2
Reset Value = XXXXXXX0B
Reset Value = XXX00X00B
EXTRAM
1
–
1
AT89C51RC
DISALE
DPS
0
0
9