AT80C51RD2 Atmel Corporation, AT80C51RD2 Datasheet - Page 71
AT80C51RD2
Manufacturer Part Number
AT80C51RD2
Description
Manufacturer
Atmel Corporation
Specifications of AT80C51RD2
Max. Operating Frequency
60 MHz
Cpu
8051-12C
Max I/o Pins
32
Spi
1
Uart
1
Sram (kbytes)
1.25
Operating Voltage (vcc)
2.7 to 5.5
Timers
4
Watchdog
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT80C51RD2-RLRUM
Manufacturer:
NXP
Quantity:
8 243
Company:
Part Number:
AT80C51RD2-SLRUM
Manufacturer:
Atmel
Quantity:
967
Company:
Part Number:
AT80C51RD2-SLSUM
Manufacturer:
Atmel
Quantity:
1 445
Company:
Part Number:
AT80C51RD2-UM
Manufacturer:
FAIRCHIL
Quantity:
550
17.3.6
17.3.7
68
AT80C51RD2
External Data Memory Read Cycle
Serial Port Timing - Shift Register Mode
PORT 0
PORT 2
ALE
PSEN
RD
OR SFR-P2
ADDRESS
Table 17-7.
Table 17-8.
Symbol
Symbol Description
AC Parameters for a Fix Clock
T
T
T
T
T
QVHX
XHQX
XHDX
XHDV
XLXL
A0-A7
T
LLAX
T
AVWL
T
LLWL
Parameter
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
AVDV
T
LLDV
ADDRESS A8-A15 OR SFR P2
Symbol
T
T
T
T
T
QVHX
XHQX
XHDX
XHDV
XLXL
T
RLAZ
T
RLRH
DATA IN
Min
300
200
30
0
T
T
WHLH
RHDX
-M
T
RHDZ
4113D–8051–01/09
Max
117
Units
ns
ns
ns
ns
ns