TS87C51RD2-MCM Atmel, TS87C51RD2-MCM Datasheet - Page 20

• Manufacturer Part Number: TS87C51RD2-MCM
• Description: IC MCU 8051 OTP 64K 5V 64VQFP
• Manufacturer: Atmel
• Series: 87Cr

Specifications of TS87C51RD2-MCM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40/20MHz
• Connectivity: UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 48
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: OTP
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 64-TQFP, 64-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

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