TS87C51RD2 ATMEL Corporation, TS87C51RD2 Datasheet - Page 68

• Manufacturer Part Number: TS87C51RD2
• Description: (TS8xC51Rx2) High Performance 8-bit Microcontroller
• Manufacturer: ATMEL Corporation

11.5.7
68
Symbol
Speed
T
T
T
T
T
QVHX
XHQX
XHDX
XHDV
XLXL
AT/TS8xC51Rx2
Serial Port Timing - Shift Register Mode
PORT 0
PORT 2
Min
300
200
ALE
PSEN
30
0
RD
40 MHz
-M
Figure 11-8. External Data Memory Read Cycle
Table 11-10. AC Parameters for a Fix Clock
Symbol
T
T
T
T
T
XLXL
QVHX
XHQX
XHDX
XHDV
OR SFR-P2
ADDRESS
Max
117
Min
60 MHz equiv.
200
117
13
0
X2 mode
30 MHz
-V
Max
34
A0-A7
T
LLAX
T
AVWL
standard mode 40
T
Min
300
200
30
LLWL
0
T
MHz
AVDV
-V
T
LLDV
ADDRESS A8-A15 OR SFR P2
Max
117
T
T
RLAZ
R L D V
40 MHz equiv.
Min
300
200
30
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
0
X2 mode
20 MHz
-L
T
Max
RLRH
117
DATA IN
standard mode
Min
400
283
47
0
T
T
30 MHz
WHLH
RHDX
-L
Max
200
T
RHDZ
4188E–8051–08/06
Units
ns
ns
ns
ns
ns