AT89C51AC3-SLSIM Atmel, AT89C51AC3-SLSIM Datasheet - Page 126

• Manufacturer Part Number: AT89C51AC3-SLSIM
• Description: IC 8051 MCU FLASH 64K 44PLCC
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51AC3-SLSIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 60MHz
• Connectivity: UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 36
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

External Program Memory Read Cycle
126
AT89C51AC3
PORT 0
PORT 2
PSEN
ALE
INSTR IN
OR SFR-P2
ADDRESS
T
Table 75. AC Parameters for a Variable Clock
LHLL
T
T
LLAX
AVLL
A0-A7
Symbol
T
T
T
T
T
T
T
T
T
T
T
PLPH
PLAZ
LHLL
AVLL
LLAX
LLPL
PXIX
AVIV
LLIV
PLIV
PXIZ
T
AVIV
ADDRESS A8-A15
T
LLIV
T
LLPL
TPLAZ
T
PLIV
T
PLPH
Type
INSTR IN
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
T
PXIX
12 T
CLCL
Standard
Clock
2 T - x
4 T - x
3 T - x
3 T - x
5 T - x
T
T - x
T - x
T - x
T - x
PXIZ
x
x
T
PXAV
A0-A7
X2 Clock
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
T - x
x
x
ADDRESS A8-A15
X parameter
INSTR IN
10
15
15
30
10
20
40
40
10
0
7
4383D–8051–02/08
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns