str712 STMicroelectronics, str712 Datasheet - Page 59

• Manufacturer Part Number: str712
• Description: 144/64-pin Arm7tdmi Mcu With Up To 256kb Flash, 64kb Ram And Emi
• Manufacturer: STMicroelectronics

STR71xF
Figure 28. Read cycle timing: 32-bit read on 8-bit memory
See
Figure 29. Write cycle timing: 16-bit write on 16-bit memory
Figure 30. Write cycle timing: 32-bit write on 16-bit memory
See
RDn
CSn.x
WEn.x
D[15:0]
(Output)
A[23:0]
Table 46
Table 34
RDn
CSn.x
WEn.x
D[15:0]
(Output)
A[23:0]
RDn
CSn.x
WEn.x
D[7:0]
(Input)
A[23:0]
for write timing data.
for read timing data.
t
WAS
t
WAS
t
RAS
t
WDS1
Address
t
address
RP
Data Input
t
RDS
t
t
RAH
WP
t
RAT
Data Output
Address
t
t
RRT
RDH
t
WDS1
t
WAH
Data Output
t
t
Address
WP
WAT
t
RP
t
t
WWT
Data Input
WDH
t
RDS
t
RAH
t
RAT
t
t
RRT
RDH
address
t
t
WAH
Address
WP
t
RP
Data Output
Data Input
t
WDS2
t
RDS
t
RAH
t
t
WAH
t
WCR
WDH
t
RAT
t
t
RRT
RDH
t
t
WCR
WDH
Address
t
RP
Data Input
t
RDS
t
RAH
Electrical parameters
t
t
RCR
RDH
59/78