AT32AP7002-CTUT Atmel, AT32AP7002-CTUT Datasheet - Page 104
AT32AP7002-CTUT
Manufacturer Part Number
AT32AP7002-CTUT
Description
IC MCU 32BIT AVR32 196-CBGA
Manufacturer
Atmel
Series
AVR®32 AP7r
Specifications of AT32AP7002-CTUT
Core Processor
AVR
Core Size
32-Bit
Speed
150MHz
Connectivity
EBI/EMI, I²C, MMC, PS2, SPI, SSC, UART/USART, USB
Peripherals
AC'97, DMA, I²C, LCD, POR, PWM, WDT
Number Of I /o
85
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
D/A 2x16b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
196-CBGA
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
I2C, JTAG, PS2, SPI, SSC, UART, USART, USB
Maximum Clock Frequency
150 MHz
Number Of Timers
3
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Dac
16 bit, 2 Channel
Package
196CTBGA
Device Core
AVR32
Family Name
AT32
Maximum Speed
150 MHz
Operating Supply Voltage
1.8|3.3 V
For Use With
ATAVRONEKIT - KIT AVR/AVR32 DEBUGGER/PROGRMMRATNGW100 - KIT AVR32 NETWORK GATEWAYATSTK1000 - KIT STARTER FOR AVR32AP7000
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
Details
Available stocks
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Part Number
Manufacturer
Quantity
Price
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10.5.7.2
10.5.7.3
10.5.7.4
10.5.8
10.5.9
32054F–AVR32–09/09
Divided PB clocks
Debug operation
Disabling a generic clock
Changing clock frequency
Generic clock implementation
The generic clock can be disabled by writing CEN to 0 or entering a sleep mode that disables
the PB clocks. In either case, the generic clock will be switched off on the first falling edge after
the disabling event, to ensure that no glitches occur. If CEN is written to 0, the bit will still read as
1 until the next falling edge occurs, and the clock is actually switched off. When writing CEN to 0,
the other bits in GCCTRL should not be changed until CEN reads as 0, to avoid glitches on the
generic clock.
When the clock is disabled, both the prescaler and output are reset.
When changing generic clock frequency by writing GCCTRL, the clock should be switched off by
the procedure above, before being re-enabled with the new clock source or division setting. This
prevents glitches during the transition.
In AT32AP7002, there are 8 generic clocks. These are allocated to different functions as shown
in
Table 10-3.
The clock generator in the Power Manager provides divided PBA and PBB clocks for use by
peripherals that require a prescaled PB clock. This is described in the documentation for the rel-
evant modules.
The divided clocks are not directly maskable, but are stopped in sleep modes where the PB
clocks are stopped.
During a debug session, the user may need to halt the system to inspect memory and CPU reg-
isters. The clocks normally keep running during this debug operation, but some peripherals may
require the clocks to be stopped, e.g. to prevent timer overflow, which would cause the program
to fail. For this reason, peripherals on the PBA and PBB buses may use “debug qualified” PB
clocks. This is described in the documentation for the relevant modules. The divided PB clocks
are always debug qualified clocks.
Table
Clock number
10-3.
0
1
2
3
4
5
6
7
Generic clock allocation
Function
GCLK0 pin
GCLK1 pin
GCLK2 pin
GCLK3 pin
GCLK4 pin
Reserved for internal use
DAC
LCD Controller
AT32AP7002
104
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