AT90USB82-16MUR Atmel, AT90USB82-16MUR Datasheet - Page 266

• Manufacturer Part Number: AT90USB82-16MUR
• Description: MCU AVR USB 8K FLASH 32-QFN
• Manufacturer: Atmel
• Series: AVR® 90USBr

Specifications of AT90USB82-16MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, PS/2, SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-QFN
• Data Bus Width: 8 bit
• Data Ram Size: 512 B
• Interface Type: SPI, USART, debugWIRE
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 22
• Number Of Timers: 2
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• For Use With: ATSTK600 - DEV KIT FOR AVR/AVR32ATSTK526 - KIT STARTER FOR AT90USB82/162ATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATSTK525 - KIT STARTER FOR AT90USBAT90USBKEY2 - KIT DEMO FOR AT90USB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / Rohs Status: Details

26.7
266
Hardware Boot EntranceTiming Characteristics
AT90USB82/162
Note:
Figure 26-3. SPI Interface Timing Requirements (Master Mode)
Table 26-3.
Figure 26-4. Hardware Boot Timing Requirements
(Data Output)
(Data Output)
(Data Input)
(Data Input)
(CPOL = 0)
(CPOL = 1)
(CPOL = 0)
(CPOL = 1)
1. In SPI Programming mode the minimum SCK high/low period is:
- 2 t
- 3 t
MISO
MOSI
MOSI
MISO
SCK
SCK
SCK
SCK
SS
SS
ALE/HWB
SPI Interface Timing Requirements (Slave Mode)
CLCL
CLCL
RESET
for f
for f
9
CK
CK
13
< 12 MHz
> 12 MHz
6
4
MSB
MSB
5
MSB
MSB
14
15
7
t
SHRH
...
...
...
...
11
2
LSB
10
t
1
HHRH
LSB
LSB
LSB
11
2
12
3
16
8
7707F–AVR–11/10
X
17