TS80C51RA2-LIA Atmel, TS80C51RA2-LIA Datasheet - Page 45
TS80C51RA2-LIA
Manufacturer Part Number
TS80C51RA2-LIA
Description
IC MCU 8BIT 256BYTE 30MHZ 44PLCC
Manufacturer
Atmel
Series
80Cr
Specifications of TS80C51RA2-LIA
Core Processor
8051
Core Size
8-Bit
Speed
30/20MHz
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)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
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* 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
45
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