AT89C51AC3-SLSIM Atmel, AT89C51AC3-SLSIM Datasheet - Page 129

• 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 Data Memory Write Cycle
External Data Memory Read Cycle
Serial Port Timing – Shift Register Mode
4383D–8051–02/08
PORT 0
PORT 2
PORT 0
PORT 2
PSEN
ALE
ALE
PSEN
WR
RD
OR SFR-P2
OR SFR-P2
ADDRESS
ADDRESS
Table 79. Symbol Description (F = 40 MHz)
Symbol
T
T
T
T
T
XLXL
QVHX
XHQX
XHDX
XHDV
A0-A7
A0-A7
T
T
LLAX
T
T
LLAX
AVWL
AVWL
T
T
LLWL
LLWL
T
AVDV
T
LLDV
ADDRESS A8-A15 OR SFR P2
ADDRESS A8-A15 OR SFR P2
T
T
QVWX
RLAZ
T
QVWH
T
DATA OUT
T
WLWH
RLRH
Parameter
Serial port clock cycle time
Output data set-up to clock rising edge
Output data hold after clock rising edge
Input data hold after clock rising edge
Clock rising edge to input data valid
DATA IN
T
T
T
WHLH
WHLH
RHDX
T
T
RHDZ
WHQX
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