TS80C51RA2-VCA Atmel, TS80C51RA2-VCA Datasheet - Page 69

• Manufacturer Part Number: TS80C51RA2-VCA
• Description: IC MCU 8BIT 256BYTE 40MHZ 40-DIP
• Manufacturer: Atmel
• Series: 80Cr

Specifications of TS80C51RA2-VCA

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40/30MHz
• Connectivity: UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 40-DIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

11.5.8
Figure 11-9. Shift Register Timing Waveforms
4188F–8051–01/08
Shift Register Timing Waveforms
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
CLEAR RI
Table 11-11. AC Parameters for a Variable Clock: derating formula
T
QVXH
Symbol
0
T
T
T
T
T
QVHX
XHQX
XHDX
XHDV
XLXL
T
XHDV
1
0
VALID
T
XLXL
Type
Max
Min
Min
Min
Min
T
XHQX
2
1
VALID
Standard
10 T - x
10 T - x
2 T - x
Clock
12 T
T
3
XHDX
x
2
VALID
X2 Clock
4
5 T - x
5 T- x
3
T - x
6 T
VALID
x
5
4
VALID
133
-M
50
20
0
6
5
VALID
133
50
20
AT/TS8xC51Rx2
-V
0
7
6
VALID
133
SET TI
SET RI
50
20
-L
0
8
7
VALID
Units
ns
ns
ns
ns
ns
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