AT91SAM7S64C-AU Atmel, AT91SAM7S64C-AU Datasheet - Page 650
AT91SAM7S64C-AU
Manufacturer Part Number
AT91SAM7S64C-AU
Description
IC ARM7 MCU 32BIT 64K 64LQFP
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7S16-MU.pdf
(779 pages)
Specifications of AT91SAM7S64C-AU
Package / Case
64-LQFP
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Operating Temperature
-40°C ~ 85°C
Speed
55MHz
Number Of I /o
32
Core Processor
ARM7
Program Memory Type
FLASH
Ram Size
16K x 8
Program Memory Size
64KB (64K x 8)
Data Converters
A/D 8x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, DMA, POR, PWM, WDT
Connectivity
I²C, SPI, SSC, UART/USART, USB
Core Size
16/32-Bit
Core
ARM7TDMI
Package
64LQFP
Device Core
ARM7TDMI
Family Name
AT91
Maximum Speed
55 MHz
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Number Of Programmable I/os
32
Interface Type
SPI/TWI/USART/USB
On-chip Adc
8-chx10-bit
Number Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
AT91SAM7S64B-AU::AT91SAM7S64B-AU
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7S64C-AU
Manufacturer:
ATMEL
Quantity:
4 300
Part Number:
AT91SAM7S64C-AU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
- Current page: 650 of 779
- Download datasheet (11Mb)
40.10.7
40.10.7.1
40.10.7.2
40.10.7.3
40.10.7.4
650
AT91SAM7S Series Preliminary
Pulse Width Modulation Controller (PWM)
PWM: Update when PWM_CCNTx = 0 or 1
PWM: Update when PWM_CPRDx = 0
PWM: Counter Start Value
PWM: Constraints on Duty Cycle Value
Note:
When changing CSS in the PMC_MCKR to switch from
Ensure that the processor is executing out of SRAM and ensure no transition occurs on PA1,
either as an input or output, starting from writing to the PMC_MCKR register until MCKRDY = 1.
If the Channel Counter Register value is 0 or 1, the Channel Period Register or Channel Duty
Cycle Register is directly modified when writing the Channel Update Register.
Check the Channel Counter Register before writing the update register.
When Channel Period Register equals 0, the period update is not operational.
Do not write 0 in the period register.
In left aligned mode, the first start value of the counter is 0. For the other periods, the counter
starts at 1.
None.
Setting Channel Duty Cycle Register (PWM_CDTYx) at 0 in center aligned mode or at 0 or 1 in
left aligned mode may change the polarity of the signal.
Do not set PWM_CDTYx at 0 in center aligned mode.
Do not set PWM_CDTYx at 0 or 1 in left aligned mode.
1. Switching from:
2. Program code is being executed out of flash, or a transition is occurring on PA1, either
And
Problem Fix/Workaround
Problem Fix/Workaround
Problem Fix/Workaround
Problem Fix/Workaround
Problem Fix/Workaround
– PLL Clock to Slow Clock or
– PLL Clock to Main Clock or
– Main Clock to PLL Clock or
– Main Clock to Slow Clock
as an input or output.
– PLL Clock to Slow Clock or
– PLL Clock to Main Clock or
– Main Clock to PLL Clock or
– Main Clock to Slow Clock
This issue does not occur when transitioning from slow clock to main clock or from slow clock to
PLL clock.
6175K–ATARM–30-Aug-10
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