AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 37
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AT91SAM7X128
Manufacturer Part Number
AT91SAM7X128
Description
MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
Manufacturer
Atmel
Datasheet
1.AT91SAM7X512-AU-999.pdf
(687 pages)
Specifications of AT91SAM7X128
Package
100LQFP
Device Core
ARM7TDMI
Family Name
91S
Maximum Speed
55 MHz
Ram Size
32 KB
Program Memory Size
128 KB
Operating Supply Voltage
1.8|3.3 V
Data Bus Width
32 Bit
Program Memory Type
Flash
Number Of Programmable I/os
62
Interface Type
CAN/Ethernet/SPI/I2S/TWI/USART/USB
On-chip Adc
8-chx10-bit
Operating Temperature
-40 to 85 °C
Number Of Timers
3
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10.12 Pulse Width Modulation Controller
10.13 USB Device Port
6120H–ATARM–17-Feb-09
Table 10-4.
TC Clock input
TIMER_CLOCK1
TIMER_CLOCK2
TIMER_CLOCK3
TIMER_CLOCK4
TIMER_CLOCK5
• 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
• USB V2.0 full-speed compliant,12 Mbits per second
• Embedded USB V2.0 full-speed transceiver
• Embedded 1352-byte dual-port RAM for endpoints
• Six endpoints
– 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
– Endpoint 0: 8 bytes
– Endpoint 1 and 2: 64 bytes ping-pong
– Endpoint 3: 64 bytes
– Endpoint 4 and 5: 256 bytes ping-pong
– Ping-pong Mode (two memory banks) for bulk endpoints
Timer Counter Clocks Assignment
AT91SAM7X512/256/128 Preliminary
Table 10-4
Clock
MCK/2
MCK/8
MCK/32
MCK/128
MCK/1024
37
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