AT89C51AC3-RLTIM Atmel, AT89C51AC3-RLTIM Datasheet - Page 64
AT89C51AC3-RLTIM
Manufacturer Part Number
AT89C51AC3-RLTIM
Description
IC 8051 MCU FLASH 64K 44VQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51AC3-RLTUM.pdf
(140 pages)
Specifications of AT89C51AC3-RLTIM
Core Processor
8051
Core Size
8-Bit
Speed
60MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
36
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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AT89C51AC3
Table 26. SADEN Register
SADEN (S:B9h)
Slave Address Mask Register
Reset Value = 0000 0000b
Not bit addressable
Table 27. SADDR Register
SADDR (S:A9h)
Slave Address Register
Reset Value = 0000 0000b
Not bit addressable
Table 28. SBUF Register
SBUF (S:99h)
Serial Data Buffer
Reset Value = 0000 0000b
Not bit addressable
Number
Number
Number
Bit
Bit
Bit
7-0
7-0
7-0
7
–
7
–
7
–
Mnemonic Description
Mnemonic Description
Mnemonic Description
Bit
Bit
Bit
6
–
6
–
6
–
Mask Data for Slave Individual Address
Slave Individual Address
Data sent/received by Serial I/O Port
5
–
5
–
5
–
4
–
4
–
4
–
3
–
3
–
3
–
2
–
2
–
2
–
4383D–8051–02/08
1
–
1
–
1
–
0
–
0
–
0
–
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