AT89C51RE2-SLSUM Atmel, AT89C51RE2-SLSUM Datasheet - Page 147
![MCU 8BIT FLASH 2.7-5.5V 44-PLCC](/photos/6/70/67043/453-44-plcc_sml.jpg)
AT89C51RE2-SLSUM
Manufacturer Part Number
AT89C51RE2-SLSUM
Description
MCU 8BIT FLASH 2.7-5.5V 44-PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51RE2-SLSUM.pdf
(187 pages)
Specifications of AT89C51RE2-SLSUM
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
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8K 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
Package
44PLCC
Device Core
8051
Family Name
89C
Maximum Speed
40 MHz
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
34
Interface Type
SPI/TWI/UART
Number Of Timers
3
Processor Series
AT89x
Core
8051
Data Ram Size
8 KB
Maximum Clock Frequency
40 MHz
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
AT89OCD-01
Minimum Operating Temperature
- 40 C
Cpu Family
89C
Device Core Size
8b
Frequency (max)
40MHz
Total Internal Ram Size
8KB
# I/os (max)
34
Number Of Timers - General Purpose
3
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
Instruction Set Architecture
CISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
44
Package Type
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
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89C51RE2-SLSUM
Manufacturer:
HONEYWELL
Quantity:
101
7663D–8051–10/08
Table 109. SSCS (094h) read - Synchronous Serial Control and Status Register
Table 110. SSCS Register: Read Mode - Reset Value = F8h
Table 111. SSADR (096h) - Synchronus Serial Address Register (read/write)
Table 112. SSADR Register - Reset value = FEh
Number
Number
Number
SC4
Bit
Bit
Bit
A7
1
0
7
0
1
2
3
4
5
6
7
7
7
6
5
4
3
2
1
Mnemonic Description
Mnemonic Description
Mnemonic Description
SD1
SD0
SC3
SC0
SC1
SC2
SC3
SC4
Bit
Bit
Bit
A6
A7
A6
A5
A4
A3
A2
A1
6
0
0
0
6
Address bit 1 or Data bit 1.
Address bit 0 (R/W) or Data bit 0.
Always zero
Always zero
Always zero
Status Code bit 0
See to Table 106.
Status Code bit 1
See to Table 106.
Status Code bit 2
See to Table 106.
Status Code bit 3
See to Table 106.
Status Code bit 4
See to Table 106.
Slave Address bit 7
Slave Address bit 6
Slave Address bit 5
Slave Address bit 4
Slave Address bit 3
Slave Address bit 2
Slave Address bit 1
SC2
A5
5
5
SC1
A4
4
4
SC0
A3
3
3
A2
2
0
2
AT89C51RE2
A1
1
0
1
A0
0
0
0
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