AT89C51IC2-SLRIM Atmel, AT89C51IC2-SLRIM Datasheet - Page 57
![IC MCU FLASH 8051 32K 5V 44-PLCC](/photos/6/70/67043/453-44-plcc_sml.jpg)
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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4301D–8051–02/08
Table 46. BDRCON Register
BDRCON - Baud Rate Control Register (9Bh)
Reset Value = XXX0 0000b
Not bit addressable
Number
Bit
7
-
7
6
5
4
3
2
1
0
Mnemonic
TBCK
RBCK
BRR
SRC
SPD
Bit
6
-
-
-
-
Description
Reserved
The value read from this bit is indeterminate. Do not set this bit
Reserved
The value read from this bit is indeterminate. Do not set this bit
Reserved
The value read from this bit is indeterminate. Do not set this bit.
Baud Rate Run Control bit
Cleared to stop the internal Baud Rate Generator.
Set to start the internal Baud Rate Generator.
Transmission Baud rate Generator Selection bit for UART
Cleared to select Timer 1 or Timer 2 for the Baud Rate Generator.
Set to select internal Baud Rate Generator.
Reception Baud Rate Generator Selection bit for UART
Cleared to select Timer 1 or Timer 2 for the Baud Rate Generator.
Set to select internal Baud Rate Generator.
Baud Rate Speed Control bit for UART
Cleared to select the SLOW Baud Rate Generator.
Set to select the FAST Baud Rate Generator.
Baud Rate Source select bit in Mode 0 for UART
Cleared to select F
mode).
Set to select the internal Baud Rate Generator for UARTs in mode 0.
5
-
BRR
4
OSC
/12 as the Baud Rate Generator (F
TBCK
3
RBCK
2
CLK PERIPH
SPD
1
/6 in X2
SRC
0
57
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