AT80C32X2-RLRUM Atmel, AT80C32X2-RLRUM Datasheet - Page 47

• Manufacturer Part Number: AT80C32X2-RLRUM
• Description: MCU ROMLESS 32X2 3V 44-VQFP
• Manufacturer: Atmel
• Series: 80Cr

Specifications of AT80C32X2-RLRUM

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40/20MHz
• Connectivity: UART/USART
• Peripherals: POR
• 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: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Shift Register Timing
Waveforms
Figure 21. Shift Register Timing Waveforms
4184I–8051–02/08
INSTRUCTION
ALE
CLOCK
OUTPUT DATA
WRITE to SBUF
INPUT DATA
CLEAR RI
T
QVXH
0
Table 34. AC Parameters for a Variable Clock: Derating Formula
T
XHDV
Symbol
T
T
T
T
T
1
QVHX
XHQX
XHDX
XHDV
XLXL
0
VALID
T
XLXL
T
XHQX
2
1
VALID
Type
Max
Min
Min
Min
Min
T
3
XHDX
2
Standard
VALID
10 T - x
10 T - x
Clock
2 T - x
12 T
x
4
3
VALID
X2 Clock
5 T - x
5 T- x
T - x
6 T
x
5
4
VALID
-M
133
50
20
0
6
5
VALID
133
-V
50
20
0
7
6
VALID
SET TI
SET RI
133
-L
8
50
20
0
7
VALID
Units
ns
ns
ns
ns
ns
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