AT91SAM7S32B-MU Atmel, AT91SAM7S32B-MU Datasheet - Page 493

• Manufacturer Part Number: AT91SAM7S32B-MU
• Description: IC MCU ARM7 32KB FLASH 48-VQFN
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S32B-MU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: I²C, SPI, SSC, UART/USART
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 21
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K 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: 48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
• For Use With: AT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

34.6.9
Register Name:
Access Type:
• CPRE: Channel Pre-scaler
• CALG: Channel Alignment
0 = The period is left aligned.
1 = The period is center aligned.
• CPOL: Channel Polarity
0 = The output waveform starts at a low level.
1 = The output waveform starts at a high level.
• CPD: Channel Update Period
0 = Writing to the PWM_CUPDx will modify the duty cycle at the next period start event.
1 = Writing to the PWM_CUPDx will modify the period at the next period start event.
6175K–ATARM–30-Aug-10
0
0
0
0
0
0
0
0
1
1
1
1
1
31
23
15
–
–
–
7
–
PWM Channel Mode Register
0
0
0
0
1
1
1
1
0
0
0
0
1
30
22
14
–
–
–
6
–
PWM_CMR[0..X-1]
Read/Write
CPRE
Other
0
0
1
1
0
0
1
1
0
0
1
1
0
29
21
13
–
–
–
5
–
0
1
0
1
0
1
0
1
0
1
0
1
0
28
20
12
–
–
–
4
–
MCK
MCK/2
MCK/4
MCK/8
MCK/16
MCK/32
MCK/64
MCK/128
MCK/256
MCK/512
MCK/1024
CLKA
CLKB
Reserved
AT91SAM7S Series Preliminary
27
19
11
–
–
–
3
Channel Pre-scaler
CPD
26
18
10
–
–
2
CPRE
CPOL
25
17
–
–
9
1
CALG
24
16
–
–
8
0
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