AT90USB1286-16MU ATMEL [ATMEL Corporation], AT90USB1286-16MU Datasheet - Page 412

• Manufacturer Part Number: AT90USB1286-16MU
• Description: Microcontroller with 64/128K Bytes of ISP Flash and USB Controller
• Manufacturer: ATMEL [ATMEL Corporation]

412
AT90USB64/128
Figure 30-8. External Memory Timing (SRWn1 = 0, SRWn0 = 1)
Figure 30-9. External Memory Timing (SRWn1 = 1, SRWn0 = 0)
System Clock (CLK
System Clock (CLK
DA7:0 (XMBK = 0)
DA7:0 (XMBK = 0)
DA7:0
A15:8
CPU
ALE
WR
RD
DA7:0
A15:8
CPU
ALE
)
WR
RD
Prev. addr.
)
Prev. data
Prev. addr.
Prev. data
T1
T1
1
Address
Address
4
2
5
T2
6
1
3a
3b
Address
Address
4
2
XX
7
8
5
T2
6
13
3a
3b
10
XX
7
8
T3
13
10
Address
T3
Data
Address
12
Data
16
15
9
T4
Data
15
Data
16
12
9
T4
T5
11
11
T5
14
T6
14
7593A–AVR–02/06