TS80C51RA2-VCB Atmel, TS80C51RA2-VCB Datasheet - Page 69

• Manufacturer Part Number: TS80C51RA2-VCB
• Description: IC MCU 8BIT 256BYTE 40MHZ 44PLCC
• Manufacturer: Atmel
• Series: 80Cr

Specifications of TS80C51RA2-VCB

• 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: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

10.5.8. Shift Register Timing Waveforms
Rev. C - 06 March, 2001
Symbol
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
T
T
T
T
T
QVHX
XHQX
XHDX
XHDV
XLXL
CLEAR RI
Type
Max
Min
Min
Min
Min
Table 44. AC Parameters for a Variable Clock: derating formula
T
QVXH
0
Standard
T
10 T - x
10 T - x
XHDV
Clock
2 T - x
12 T
Figure 28. Shift Register Timing Waveforms
x
1
0
VALID
T
XLXL
X2 Clock
T
5 T - x
5 T- x
XHQX
2
T - x
1
6 T
x
VALID
T
3
XHDX
2
VALID
133
-M
50
20
0
4
3
VALID
133
-V
50
20
0
5
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
4
VALID
133
-L
50
20
0
TS80C51RA2/RD2
6
5
VALID
Units
7
6
ns
ns
ns
ns
ns
VALID
SET TI
SET RI
8
7
VALID
69