AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 486

• Manufacturer Part Number: AT91SAM7S256D-AU
• Description: ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
• Manufacturer: Atmel
• Series: SAM7S256r

Specifications of AT91SAM7S256D-AU

• Rohs: yes
• Core: ARM
• Processor Series: AT91SAM
• Data Bus Width: 16 bit/32 bit
• Maximum Clock Frequency: 55 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 64 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 3 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: LQFP-64
• Mounting Style: SMD/SMT
• Interface Type: 2-Wire, I2S, SPI, USART
• Length: 7 mm

Figure 34-5. Waveform Properties
Output Waveform PWMx
Output Waveform PWMx
Output Waveform PWMx
Output Waveform PWMx
CPOL(PWM_CMRx) = 0
CPOL(PWM_CMRx) = 1
CPOL(PWM_CMRx) = 0
CPOL(PWM_CMRx) = 1
CPRD(PWM_CPRDx)
CPRD(PWM_CPRDx)
CDTY(PWM_CDTYx)
CDTY(PWM_CDTYx)
CHIDx(PWM_ENA)
CHIDx(PWM_DIS)
CHIDx(PWM_ISR)
CHIDx(PWM_ISR)
CHIDx(PWM_SR)
The waveform polarity must be set before enabling the channel. This immediately affects the channel output level.
Changes on channel polarity are not taken into account while the channel is enabled.
PWM_CCNTx
PWM_CCNTx
PWM_MCKx
Period
Period
CALG(PWM_CMRx) = 1
CALG(PWM_CMRx) = 0
Center Aligned
Left Aligned
SAM7S Series [DATASHEET]
6175M–ATARM–26-Oct-12
486