參數(shù)資料
型號: AT91SAM7SE32B-CU
廠商: Atmel
文件頁數(shù): 36/47頁
文件大?。?/td> 0K
描述: IC MCU ARM7 32KB FLASH 144LFBGA
標(biāo)準(zhǔn)包裝: 240
系列: SAM7SE
核心處理器: ARM7
芯體尺寸: 16/32-位
速度: 55MHz
連通性: EBI/EMI,I²C,SPI,SSC,UART/USART,USB
外圍設(shè)備: 欠壓檢測/復(fù)位,POR,PWM,WDT
輸入/輸出數(shù): 88
程序存儲器容量: 32KB(32K x 8)
程序存儲器類型: 閃存
RAM 容量: 8K x 8
電壓 - 電源 (Vcc/Vdd): 1.65 V ~ 1.95 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 8x10b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 144-LFBGA
包裝: 托盤
41
6222GS–ATARM–6-Sep-11
SAM7SE512/256/32 Summary
Offers a configurable frame sync and data length
Receiver and transmitter can be programmed to start automatically or on detection of
different event on the frame sync signal
Receiver and transmitter include a data signal, a clock signal and a frame synchronization
signal
10.11 Timer Counter
Three 16-bit Timer Counter Channels
– Two output compare or one input capture per channel
Wide range of functions including:
– Frequency measurement
– Event counting
– Interval measurement
– Pulse generation
– Delay timing
– Pulse Width Modulation
– Up/down capabilities
Each channel is user-configurable and contains:
– Three external clock inputs
– Five internal clock inputs, as defined in Table 10-4
– Two multi-purpose input/output signals
– Two global registers that act on all three TC channels
10.12 PWM Controller
Four channels, one 16-bit counter per channel
Common clock generator, providing thirteen different clocks
– One Modulo n counter providing eleven clocks
– Two independent linear dividers working on modulo n counter outputs
Independent channel programming
– 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
Table 10-4.
Timer Counter Clocks Assignment
TC Clock input
Clock
TIMER_CLOCK1
MCK/2
TIMER_CLOCK2
MCK/8
TIMER_CLOCK3
MCK/32
TIMER_CLOCK4
MCK/128
TIMER_CLOCK5
MCK/1024
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