AT89C51IC2-SLRIM Atmel, AT89C51IC2-SLRIM Datasheet - Page 50
AT89C51IC2-SLRIM
Manufacturer Part Number
AT89C51IC2-SLRIM
Description
IC MCU FLASH 8051 32K 5V 44-PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51IC2-SLRIM.pdf
(147 pages)
Specifications of AT89C51IC2-SLRIM
Core Processor
8051
Core Size
8-Bit
Speed
60MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
34
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Ram Size
1.25K 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
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Other names
AT89C51IC2SLRIMTR
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Baud Rate Selection for
UART for mode 1 and 3
50
AT89C51IC2
TIMER1
Table 35. SADDR Register
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 20. Baud Rate selection
Table 36. Baud Rate Selection Table UART
TIMER2
TIMER1
TIMER2
INT_BRG
INT_BRG
(T2CON)
TCLK
7
X
X
X
0
1
0
1
0
1
6
RCLK
TCLK
0
1
(T2CON)
0
1
RCLK
0
0
1
1
0
1
X
X
X
5
TIMER_BRG_RX
TIMER_BRG_TX
(BDRCON)
TBCK
0
0
0
0
1
1
0
0
1
4
(BDRCON)
RBCK
TBCK
RBCK
3
0
1
0
1
0
0
0
0
0
0
1
1
1
2
Clock Source
/ 16
/ 16
UART Tx
INT_BRG
INT_BRG
INT_BRG
Timer 1
Timer 2
Timer 1
Timer 2
Timer 1
Timer 2
Rx Clock
Tx Clock
1
4301D–8051–02/08
Clock Source
UART Rx
INT_BRG
INT_BRG
INT_BRG
Timer 1
Timer 1
Timer 2
Timer 2
Timer 1
Timer 2
0
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