TS80C51RA2-VIA Atmel, TS80C51RA2-VIA Datasheet - Page 20
TS80C51RA2-VIA
Manufacturer Part Number
TS80C51RA2-VIA
Description
IC MCU 8BIT 256BYTE 40MHZ 40-DIP
Manufacturer
Atmel
Series
80Cr
Specifications of TS80C51RA2-VIA
Core Processor
8051
Core Size
8-Bit
Speed
40/30MHz
Connectivity
UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
32
Program Memory Type
ROMless
Ram Size
256 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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TS80C51RA2/RD2
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
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 functions use the values in the RCAP2H and
RCAP2L registers.
20
T2EX
T2
XTAL1
(:1 in X2 mode)
Figure 6. Clock-Out Mode C/T2 = 0
:2
T2CON reg
EXEN2
Q
Toggle
T2CON reg
TR2
D
T2CON reg
RCAP2L
EXF2
(8-bit)
(8-bit)
TL2
T2MOD reg
T2OE
RCAP2H
(8-bit)
(8-bit)
TH2
INTERRUPT
TIMER 2
OVERFLOW
Rev. C - 06 March, 2001
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