AT90USB1286-16MU ATMEL [ATMEL Corporation], AT90USB1286-16MU Datasheet - Page 406

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

30.8
406
Hardware Boot EntranceTiming Characteristics
AT90USB64/128
Figure 30-5. SPI Interface Timing Requirements (Slave Mode)
Figure 30-6. Hardware Boot Timing Requirements
Table 30-4.
Symbol
tSHRH
tHHRH
(Data Output)
(Data Input)
(CPOL = 0)
(CPOL = 1)
MOSI
MISO
Parameter
HWB low Setup before Reset High
HWB low Hold after Reset High
SCK
SCK
SS
ALE/HWB
Hardware Boot Timings
RESET
9
13
MSB
MSB
14
15
t
SHRH
...
...
StartUpTime(S
Delay(TOUT)
UT) + Time
Out
Min
0
11
10
t
LSB
HHRH
LSB
11
Max
12
16
7593A–AVR–02/06
X
17