AT89C51RB2-3CSUL Atmel, AT89C51RB2-3CSUL Datasheet - Page 124
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AT89C51RB2-3CSUL
Manufacturer Part Number
AT89C51RB2-3CSUL
Description
MCU 8051 16K FLASH 3V 44-PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51RB2-RLTIL.pdf
(127 pages)
Specifications of AT89C51RB2-3CSUL
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
32
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
1.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
1280 B
Interface Type
UART, SPI
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
2.7 V to 5.5 V
Mounting Style
Through Hole
3rd Party Development Tools
PK51, CA51, A51, ULINK2
For Use With
AT89STK-11 - KIT STARTER FOR AT89C51RX2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Table of Contents
Features ................................................................................................. 1
Description ............................................................................................ 1
Block Diagram ....................................................................................... 3
SFR Mapping ......................................................................................... 4
Pin Configurations ................................................................................ 9
Port Types ........................................................................................... 13
Oscillator ............................................................................................. 14
Enhanced Features ............................................................................. 16
Dual Data Pointer Register (DPTR) ................................................... 20
Expanded RAM (XRAM) ...................................................................... 23
Timer 2 ................................................................................................. 26
Programmable Counter Array (PCA) ................................................. 31
Serial I/O Port ...................................................................................... 44
Registers ............................................................................................................ 14
Functional Block Diagram .................................................................................. 15
X2 Feature.......................................................................................................... 16
Registers ............................................................................................................ 25
Auto-reload Mode ............................................................................................... 26
Programmable Clock-out Mode.......................................................................... 27
Registers ............................................................................................................ 29
Registers ............................................................................................................ 33
PCA Capture Mode ............................................................................................ 39
16-bit Software Timer/ Compare Mode .............................................................. 40
High-speed Output Mode ................................................................................... 41
Pulse Width Modulator Mode ............................................................................. 42
PCA Watchdog Timer......................................................................................... 42
Framing Error Detection ..................................................................................... 44
Automatic Address Recognition ......................................................................... 45
Table of Contents
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