TS87C51RD2-MCM Atmel, TS87C51RD2-MCM Datasheet - Page 45

• 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: -

* Port 0 can force a "zero" level. A "one" will leave port floating.
Rev. C - 06 March, 2001
Power Down
Power Down
Mode
Idle
Idle
Program
Memory
External
External
Internal
Internal
Table 22. The state of ports during idle and power-down mode
ALE
1
1
0
0
PSEN
1
1
0
0
Port Data*
Port Data*
PORT0
Floating
Floating
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
Port Data
Port Data
Port Data
Port Data
PORT1
TS80C51RA2/RD2
Port Data
Port Data
Port Data
PORT2
Address
Port Data
Port Data
Port Data
Port Data
PORT3
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