atsam9708 ATMEL Corporation, atsam9708 Datasheet - Page 20

• Manufacturer Part Number: atsam9708
• Description: Sound Synthesis Atsam9708 128-voice Integrated Sound Synthesizer
• Manufacturer: ATMEL Corporation

15. External RAM Timing
Figure 15-1. 16-bit SRAM Read Cycle
Figure 15-2. 16-bit SRAM Write Cycle
Table 15-1.
20
Symbol
t
t
t
t
t
t
RC
AOE
POE
AD
OE
DF
ATSAM9708
External 16-bit SRAM Timing Parameters
Parameter
Read cycle time
Address valid to WOE low
Output enable pulse width
Address access time
Output enable access time
Chip select or WOE high to input data High Z
WD[15:0]
WA[26:0]
WD[15:0]
WA[26:0]
WCS1
WCS1
WWE
WWE
WOE
WOE
t
AOE
t
OEWE
t
CSWE
t
AD
t
t
RC
WC
t
OE
6 x t
5 x t
t
POE
Min
t
WP
CK
CK
0
t
- 5
- 5
DW
6 x t
5 x t
t
Typ
DH
t
CK
CK
CK
t
DF
t
CK
Max
- 5
1772E–DRMSD–10-Apr-06
Unit
ns
ns
ns
ns
ns
ns