T89C51RD2-SLSIM Atmel, T89C51RD2-SLSIM Datasheet - Page 90

• 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: -

External Data Memory Read
Cycle
Serial Port Timing - Shift
Register Mode
Table 51. AC Parameters for a Fix Clock
90
T89C51RD2
Symbol
T
T
T
T
T
QVHX
XHQX
XHDX
XHDV
XLXL
PORT 0
PORT 2
ALE
PSEN
RD
OR SFR-P2
ADDRESS
T
T
T
T
T
Min
XLXL
QVHX
XHQX
XHDX
XHDV
300
200
30
0
-M
A0-A7
T
LLAX
T
Max
Symbol
117
AVWL
T
LLWL
T
AVDV
T
LLDV
ADDRESS A8-A15 OR SFR P2
T
Min
300
200
RLAZ
30
0
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
-L
T
RLRH
Max
117
DATA IN
T
T
WHLH
RHDX
Parameter
T
RHDZ
Units
4243G–8051–05/03
ns
ns
ns
ns
ns