T89C51RD2-SLSIM Atmel, T89C51RD2-SLSIM Datasheet - Page 87

• Manufacturer Part Number: T89C51RD2-SLSIM
• Description: IC MICRO CTRL 64K FLASH 44PLCC
• Manufacturer: Atmel
• Series: 89Cr

Specifications of T89C51RD2-SLSIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 4.5 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
• Data Converters: -

Table 47. AC Parameters for a Variable Clock
External Program Memory
Read Cycle
4243G–8051–05/03
Symbol
T
T
T
T
T
T
T
T
T
T
T
PLPH
PLAZ
LHLL
AVLL
LLAX
LLPL
PXIX
AVIV
PLIV
PXIZ
LLIV
PORT 0
PORT 2
PSEN
ALE
INSTR IN
OR SFR-P2
ADDRESS
Type
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
T
LHLL
T
Standard Clock
T
LLAX
AVLL
A0-A7
2 T - x
4 T - x
3 T - x
3 T - x
5 T - x
T - x
T - x
T - x
T - x
x
x
T
AVIV
ADDRESS A8-A15
T
LLIV
T
LLPL
TPLAZ
T
PLIV
X2 Clock
T
0.5 T - x
0.5 T - x
0.5 T - x
1.5 T - x
1.5 T - x
0.5 T - x
2.5 T - x
2 T - x
PLPH
T - x
INSTR IN
x
x
T
PXIX
12 T
CLCL
X parameter for -
M range
T
PXIZ
10
15
15
30
10
20
40
40
10
0
7
T
PXAV
A0-A7
X parameter for -
ADDRESS A8-A15
L range
10
15
15
30
10
20
40
40
10
0
7
INSTR IN
T89C51RD2
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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