AT32UC3C2512C Automotive Atmel Corporation, AT32UC3C2512C Automotive Datasheet - Page 871
AT32UC3C2512C Automotive
Manufacturer Part Number
AT32UC3C2512C Automotive
Description
Manufacturer
Atmel Corporation
Datasheets
1.AT90CAN128_AUTOMOTIVE.pdf
(225 pages)
2.AT32UC3C0512C_AUTOMOTIVE.pdf
(1312 pages)
3.AT32UC3C0512C_AUTOMOTIVE.pdf
(107 pages)
- AT90CAN128_AUTOMOTIVE PDF datasheet
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- AT32UC3C0512C_AUTOMOTIVE PDF datasheet #3
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32.5
32.5.1
32.5.2
32.5.3
32.5.4
9166C–AVR-08/11
Product Dependencies
I/O Lines
Power Management
Clocks
Interrupts
In order to use this module, other parts of the system must be configured correctly, as described
below.
The USBC pins may be multiplexed with the I/O Controller lines. The user must first configure
the I/O Controller to assign the desired USBC pins to their peripheral functions.
If the USB_ID pin is used the user must also enable its internal pull-up resistor.
If the CPU enters a sleep mode that disables clocks used by the USBC, the USBC will stop func-
tioning and resume operation after the system wakes up from sleep mode.
The USBC has two bus clocks connected: One High Speed Bus clock (CLK_USBC_HSB) and
one Peripheral Bus clock (CLK_USBC_PB). These clocks are generated by the Power Man-
ager. Both clocks are enabled at reset, and can be disabled by the Power Manager. It is
recommended to disable the USBC before disabling the clocks, to avoid freezing the USBC in
an undefined state.
The 48MHz USB clock is generated by a dedicated generic clock from the SCIF module. Before
using the USB, the user must ensure that the USB generic clock (GCLK_USBC) is enabled at
48MHz in the SCIF module.
The USBC interrupt request line is connected to the interrupt controller. Using the USBC inter-
rupt requires the interrupt controller to be programmed first.
The USBC asynchronous interrupts can wake the CPU from any sleep mode:
• The ID Transition Interrupt (IDTI)
• The VBUS Transition Interrupt (VBUSTI) if the bandgap voltage reference is ON (Refer to the
• The Wakeup Interrupt (WAKEUP)
• The Host Wakeup Interrupt (HWUPI)
Power Manager chapter)
AT32UC3C
871
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