參數(shù)資料
型號: AT91SAM7SE32B-CU
廠商: Atmel
文件頁數(shù): 37/47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
42
6222GS–ATARM–6-Sep-11
SAM7SE512/256/32 Summary
10.13 USB Device Port
USB V2.0 full-speed compliant,12 Mbits per second.
Embedded USB V2.0 full-speed transceiver
Embedded 2688-byte dual-port RAM for endpoints
Eight endpoints
– Endpoint 0: 64bytes
– Endpoint 1 and 2: 64 bytes ping-pong
– Endpoint 3: 64 bytes
– Endpoint 4 and 5: 512 bytes ping-pong
– Endpoint 6 and 7: 64 bytes ping-pong
– Ping-pong Mode (two memory banks) for Isochronous and bulk endpoints
Suspend/resume logic
Integrated Pull-up on DDP
10.14 Analog-to-Digital Converter
8-channel ADC
10-bit 384 Ksamples/sec. or 8-bit 583 Ksamples/sec. Successive Approximation Register
ADC
±2 LSB Integral Non Linearity, ±1 LSB Differential Non Linearity
Integrated 8-to-1 multiplexer, offering eight independent 3.3V analog inputs
External voltage reference for better accuracy on low voltage inputs
Individual enable and disable of each channel
Multiple trigger sources
– Hardware or software trigger
– External trigger pin
– Timer Counter 0 to 2 outputs TIOA0 to TIOA2 trigger
Sleep Mode and conversion sequencer
– Automatic wakeup on trigger and back to sleep mode after conversions of all
enabled channels
Each analog input shared with digital signals
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