AT80C51RD2-3CSIM Atmel, AT80C51RD2-3CSIM Datasheet - Page 19
AT80C51RD2-3CSIM
Manufacturer Part Number
AT80C51RD2-3CSIM
Description
IC MCU 8051 5V SPI 20MHZ 40-DIP
Manufacturer
Atmel
Series
80Cr
Datasheet
1.AT80C51RD2-RLRUM.pdf
(81 pages)
Specifications of AT80C51RD2-3CSIM
Core Processor
8051
Core Size
8-Bit
Speed
40MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
32
Program Memory Type
ROMless
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
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4113D–8051–01/09
It is possible to use Timer 2 as a baud rate generator and a clock generator simultaneously. For
this configuration, the baud rates and clock frequencies are not independent since both func-
tions use the values in the RCAP2H and RCAP2L registers.
Figure 9-2.
Table 9-1.
T2CON - Timer 2 Control Register (C8h)
TF2
7
T2EX
Clock-Out Mode C/T2 = 07
T2CON Register
EXF2
F
6
CLK PERIPH
T2
RCLK
5
:6
TCLK
4
T2CON
EXEN2
Q
Toggle
T2CON
EXEN2
TR2
D
3
T2CON
TR2
RCAP2L
2
EXF2
(8-bit)
(8-bit)
TL2
T2MOD
AT80C51RD2
T2OE
RCAP2H
(8-bit)
(8-bit)
C/T2#
TH2
1
INTERRUPT
TIMER 2
OVEFLOW
CP/RL2#
0
19
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