AT89C51RD2-SLRUM Atmel, AT89C51RD2-SLRUM Datasheet - Page 51
AT89C51RD2-SLRUM
Manufacturer Part Number
AT89C51RD2-SLRUM
Description
IC MCU FLASH 8051 EEP 64K 44PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.ATWEBDVK-02RC.pdf
(137 pages)
Specifications of AT89C51RD2-SLRUM
Core Processor
8051
Core Size
8-Bit
Speed
60MHz
Connectivity
SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
34
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
For Use With
AT89OCD-01 - USB EMULATOR FOR AT8XC51 MCUAT89STK-11 - KIT STARTER FOR AT89C51RX2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Compliant
Other names
AT89C51RD2-SLRUMTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C51RD2-SLRUM
Manufacturer:
ATMEL
Quantity:
560
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14.3
14.4
4235K–8051–05/08
Registers
Baud Rate Selection for UART for Mode 1 and 3
Table 14-1.
SADEN - Slave Address Mask Register (B9h)
Reset Value = 0000 0000b
Not bit addressable
Table 14-2.
SADDR - Slave Address Register (A9h)
Reset Value = 0000 0000b
Not bit addressable
The Baud Rate Generator for transmit and receive clocks can be selected separately via the
T2CON and BDRCON registers.
Figure 14-4. Baud Rate Selection
7
7
TIMER1
TIMER2
TIMER1
TIMER2
INT_BRG
INT_BRG
SADEN Register
SADDR Register
6
6
RCLK
TCLK
0
1
0
1
5
5
TIMER_BRG_RX
TIMER_BRG_TX
4
4
3
3
RBCK
TBCK
0
1
0
1
AT89C51RD2/ED2
2
2
/ 16
/ 16
Rx Clock
Tx Clock
1
1
0
0
51
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