T89C51RD2-3CSCL ATMEL [ATMEL Corporation], T89C51RD2-3CSCL Datasheet - Page 90
![no-image](/images/no-image-200.jpg)
T89C51RD2-3CSCL
Manufacturer Part Number
T89C51RD2-3CSCL
Description
0 to 40 MHz Flash Programmable 8-bit Microcontroller
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.T89C51RD2-3CSCL.pdf
(104 pages)
- Current page: 90 of 104
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External Data Memory Read
Cycle
Serial Port Timing - Shift
Register Mode
Table 51. AC Parameters for a Fix Clock
90
T89C51RD2
Symbol
T
T
T
T
T
QVHX
XHQX
XHDX
XHDV
XLXL
PORT 0
PORT 2
ALE
PSEN
RD
OR SFR-P2
ADDRESS
T
T
T
T
T
Min
XLXL
QVHX
XHQX
XHDX
XHDV
300
200
30
0
-M
A0-A7
T
LLAX
T
Max
Symbol
117
AVWL
T
LLWL
T
AVDV
T
LLDV
ADDRESS A8-A15 OR SFR P2
T
Min
300
200
RLAZ
30
0
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
-L
T
RLRH
Max
117
DATA IN
T
T
WHLH
RHDX
Parameter
T
RHDZ
Units
4243G–8051–05/03
ns
ns
ns
ns
ns
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