AT89C51RB2-3CSUL Atmel, AT89C51RB2-3CSUL Datasheet - Page 38
![MCU 8051 16K FLASH 3V 44-PLCC](/photos/6/70/67043/453-44-plcc_sml.jpg)
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
38
AT89C51RB2/RC2
Table 27. CCAPnL Registers (n = 0-4)
CCAP0L – PCA Module 0 Compare/Capture Control Register Low (0EAh)
CCAP1L – PCA Module 1 Compare/Capture Control Register Low (0EBh)
CCAP2L – PCA Module 2 Compare/Capture Control Register Low (0ECh)
CCAP3L – PCA Module 3 Compare/Capture Control Register Low (0EDh)
CCAP4L – PCA Module 4 Compare/Capture Control Register Low (0EEh)
Reset Value = 0000 0000b
Not bit addressable
Table 28. CH Register
CH – PCA Counter Register High (0F9h)
Reset Value = 0000 0000b
Not bit addressable
Table 29. CL Register
CL – PCA Counter Register Low (0E9h)
Reset Value = 0000 0000b
Not bit addressable
Number
Number
Number
7 - 0
7 - 0
7 - 0
Bit
Bit
Bit
7
7
7
-
-
-
Mnemonic Description
Mnemonic Description
Mnemonic Description
Bit
Bit
Bit
6
6
6
-
-
-
-
-
-
PCA Module n Compare/Capture Control
CCAPnL Value
PCA Counter
CH Value
PCA Counter
CL Value
5
5
5
-
-
-
4
4
4
-
-
-
3
3
3
-
-
-
2
2
2
-
-
-
1
1
1
-
-
-
4180E–8051–10/06
0
0
0
-
-
-