AT91SAM7SE512-CU Atmel, AT91SAM7SE512-CU Datasheet - Page 543
AT91SAM7SE512-CU
Manufacturer Part Number
AT91SAM7SE512-CU
Description
IC ARM7 MCU FLASH 512K 144-LFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM7SE256-AU.pdf
(673 pages)
Specifications of AT91SAM7SE512-CU
Core Processor
ARM7
Core Size
16/32-Bit
Speed
55MHz
Connectivity
EBI/EMI, I²C, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
88
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LFBGA
Processor Series
AT91SAMx
Core
ARM7TDMI
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
EBI, SPI, TWI, USART
Maximum Clock Frequency
48 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
1.8 V to 3.3 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, KSK-AT91SAM7S-PL, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP, AT91SAM7SE-EK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
For Use With
AT91SAM7SE-EK - EVAL BOARD FOR AT91SAM7SEAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
AT91SAM7SE512-CJ
AT91SAM7SE512-CJ
AT91SAM7SE512-CJ
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7SE512-CU
Manufacturer:
ALTERA
Quantity:
200
Part Number:
AT91SAM7SE512-CU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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6222F–ATARM–14-Jan-11
Figure 37-6. Synchronized Period or Duty Cycle Update
To prevent overwriting the PWM_CUPDx by software, the user can use status events in order to
synchronize his software. Two methods are possible. In both, the user must enable the dedi-
cated interrupt in PWM_IER at PWM Controller level.
The first method (polling method) consists of reading the relevant status bit in PWM_ISR Regis-
ter according to the enabled channel(s). See
The second method uses an Interrupt Service Routine associated with the PWM channel.
Note:
Figure 37-7. Polling Method
Note:
Reading the PWM_ISR register automatically clears CHIDx flags.
Polarity and alignment can be modified only when the channel is disabled.
End of Cycle
Acknowledgement and clear previous register state
The last write has been taken into account
PWM_CPRDx
Update of the Period or Duty Cycle
Writing in PWM_CUPDx
SAM7SE512/256/32 Preliminary
PWM_CUPDx Value
Writing in CPD field
PWM_ISR Read
1
User's Writing
CHIDx = 1
Figure
YES
PWM_CDTYx
0
37-7.
PWM_CMRx. CPD
543
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