AT43USB320A-AC Atmel, AT43USB320A-AC Datasheet - Page 55

• Manufacturer Part Number: AT43USB320A-AC
• Description: IC USB MCU EMBED HUB AVR 100LQFP
• Manufacturer: Atmel
• Series: AVR®r

Specifications of AT43USB320A-AC

• Applications: USB Hub/Microcontroller
• Core Processor: AVR
• Controller Series: AT43USB
• Ram Size: 512 x 8
• Interface: SPI Serial, USB, UART
• Number Of I /o: 32
• Voltage - Supply: 4.4 V ~ 5.25 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Program Memory Type: -

Figure 18. SPI Transfer Format with CPHA = 1 and DORD = 0
Note:
1443E–USB–4/04
SCK (CPOL = 0)
SCK (CPOL = 1)
* Not defined, but normally LSB of previously transmitted character.
(For Reference)
SCK Cycle #
(From Master)
SS (To Slave)
(From Slave)
MOSI
MISO
*
MSB
MSB
1
2
6
6
3
5
5
4
4
4
5
3
3
6
2
2
7
1
1
AT43USB320A
LSB
8
LSB
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