AT89C51RD2-SLSIM Atmel, AT89C51RD2-SLSIM Datasheet - Page 122

• Manufacturer Part Number: AT89C51RD2-SLSIM
• Description: IC 8051 MCU FLASH 64K 44PLCC
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51RD2-SLSIM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 60MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• For Use With: AT89STK-11 - KIT STARTER FOR AT89C51RX2
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

25.3.6
25.3.7
122
AT89C51RD2/ED2
External Data Memory Read Cycle
Serial Port Timing - Shift Register Mode
PORT 0
PORT 2
ALE
PSEN
RD
OR SFR-P2
ADDRESS
Table 25-7.
Table 25-8.
Symbol
T
T
T
T
T
QVHX
XHQX
XHDX
XHDV
XLXL
Symbol
Symbol Description
AC Parameters for a Fix Clock
T
T
T
T
T
QVHX
XHQX
XHDX
XHDV
XLXL
A0-A7
T
LLAX
T
AVWL
T
LLWL
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
T
AVDV
T
LLDV
ADDRESS A8-A15 OR SFR P2
T
RLAZ
Min
300
200
30
0
T
RLRH
-M
DATA IN
T
T
WHLH
RHDX
T
RHDZ
Max
117
4235K–8051–05/08
Units
ns
ns
ns
ns
ns