TS80C51RA2-VCB Atmel, TS80C51RA2-VCB Datasheet - Page 68

• 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: -

TS80C51RA2/RD2
TS83C51RB2/RC2/RD2
TS87C51RB2/RC2/RD2
10.5.6. External Data Memory Read Cycle
10.5.7. Serial Port Timing - Shift Register Mode
68
T
T
T
T
T
XLXL
QVHX
XHQX
XHDV
XHDX
Symbol
T
T
T
T
Speed
T
QVHX
XHQX
XHDX
XHDV
XLXL
PORT 0
PORT 2
ALE
PSEN
RD
Min
300
200
30
0
40 MHz
OR SFR-P2
ADDRESS
-M
Symbol
Max
117
Figure 27. External Data Memory Read Cycle
Table 43. AC Parameters for a Fix Clock
60 MHz equiv.
Min
200
117
13
0
X2 mode
30 MHz
-V
Table 42. Symbol Description
Max
A0-A7
34
T
LLAX
T
AVWL
standard mode
T
Min
300
200
LLWL
30
0
40 MHz
T
-V
AVDV
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
LLDV
Max
117
ADDRESS A8-A15 OR SFR P2
T
T
RLAZ
40 MHz equiv.
RLDV
Min
300
200
30
0
X2 mode
20 MHz
-L
Max
117
T
RLRH
Parameter
standard mode
Min
400
283
47
0
DATA IN
30 MHz
Rev. C - 06 March, 2001
-L
T
T
Max
WHLH
200
RHDX
T
RHDZ
Units
ns
ns
ns
ns
ns