AT91SAM7XC128B-AU-999 Atmel, AT91SAM7XC128B-AU-999 Datasheet - Page 38

• Manufacturer Part Number: AT91SAM7XC128B-AU-999
• Description: IC MCU ARM7 128KB FLASH 100LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7XC128B-AU-999

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: CAN, Ethernet, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 62
• Program Memory Size: 128KB (128K 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: 100-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

10.11 Timer Counter
10.12 Pulse Width Modulation Controller
38
AT91SAM7XC512/256/128 Preliminary
Table 10-4.
TC Clock input
TIMER_CLOCK1
TIMER_CLOCK2
TIMER_CLOCK3
TIMER_CLOCK4
TIMER_CLOCK5
• Three 16-bit Timer Counter Channels
• Wide range of functions including:
• Each channel is user-configurable and contains:
• Five internal clock inputs, as defined in
• Four channels, one 16-bit counter per channel
• Common clock generator, providing thirteen different clocks
• Independent channel programming
– Two output compare or one input capture per channel
– Frequency measurement
– Event counting
– Interval measurement
– Pulse generation
– Delay timing
– Pulse Width Modulation
– Up/down capabilities
– Three external clock inputs
– Two multi-purpose input/output signals
– Two global registers that act on all three TC channels
– One Modulo n counter providing eleven clocks
– Two independent linear dividers working on modulo n counter outputs
– Independent enable/disable commands
– Independent clock selection
– Independent period and duty cycle, with double buffering
– Programmable selection of the output waveform polarity
– Programmable center or left aligned output waveform
Timer Counter Clocks Assignment
Table 10-4
Clock
MCK/2
MCK/8
MCK/32
MCK/128
MCK/1024
6209DS–ATARM–17-Feb-09