參數(shù)資料
型號: AT91SAM7SE32-CU-999
廠商: Atmel
文件頁數(shù): 8/47頁
文件大?。?/td> 0K
描述: IC MCU ARM7 32KB FLASH 144LFBGA
產(chǎn)品培訓(xùn)模塊: MCU Product Line Introduction
產(chǎn)品變化通告: AT91SAM7SE32 Obsolescence 10/May/2012
標(biāo)準(zhǔn)包裝: 3,000
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: 帶卷 (TR)
配用: AT91SAM7SE-EK-ND - EVAL BOARD FOR AT91SAM7SE
AT91SAM-ICE-ND - EMULATOR FOR AT91 ARM7/ARM9
16
6222GS–ATARM–6-Sep-11
SAM7SE512/256/32 Summary
6.5
SDCK Pin
The SDCK pin is dedicated to the SDRAM Clock and is an output-only without pull-up. Maximum
Output Frequency of this pad is 48 MHz at 3.0V and 25 MHz at 1.65V with a maximum load of
30 pF.
6.6
PIO Controller lines
All the I/O lines PA0 to PA31, PB0 to PB31, PC0 to PC23 integrate a programmable pull-up
resistor. Programming of this pull-up resistor is performed independently for each I/O line
through the PIO controllers.
Typical pull-up value is 100 k
Ω.
All the I/O lines have schmitt trigger inputs.
6.7
I/O Lines Current Drawing
The PIO lines PA0 to PA3 are high-drive current capable. Each of these I/O lines can drive up to
16 mA permanently.
The remaining I/O lines can draw only 8 mA.
However, the total current drawn by all the I/O lines cannot exceed 300 mA.
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