參數資料
型號: AT91SAM7S256C-MU-999
廠商: Atmel
文件頁數: 43/50頁
文件大?。?/td> 0K
描述: IC MCU ARM7 256KB FLASH 64-VQFN
產品培訓模塊: MCU Product Line Introduction
標準包裝: 3,500
系列: SAM7S
核心處理器: ARM7
芯體尺寸: 16/32-位
速度: 55MHz
連通性: I²C,SPI,SSC,UART/USART,USB
外圍設備: 欠壓檢測/復位,DMA,POR,PWM,WDT
輸入/輸出數: 32
程序存儲器容量: 256KB(256K x 8)
程序存儲器類型: 閃存
RAM 容量: 64K x 8
電壓 - 電源 (Vcc/Vdd): 1.65 V ~ 1.95 V
數據轉換器: A/D 8x10b
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 64-VFQFN 裸露焊盤
包裝: 帶卷 (TR)
配用: AT91SAM-ICE-ND - EMULATOR FOR AT91 ARM7/ARM9
AT91SAM7S-EK-ND - KIT EVAL FOR ARM AT91SAM7S
其它名稱: AT91SAM7S256-MU-999
AT91SAM7S256-MU-999-ND
48
SAM7S Series [DATASHEET]
6175KS–ATARM–25-Oct-12
Revision History
Doc. Rev
Comments
Change
Request
Ref.
6175AS
First issue - Unqualified on Intranet
Corresponds to 6175A full datasheet approval loop.
Qualified on Intranet.
6175BS
Section 8. “Memories” on page 18 updated: 2 ms => 3 ms, 10 ms => 15 ms, 4 ms => 6 ms
CSR05-529
6175CS
Section 12. ”SAM7S Ordering Information” AT91SAM7S321 changed in Table 12-1 on page 47
#2342
6175DS
#2444
6175ES
Section 10.11 on page 39 USB Device port, Ping-pong Mode includes Isochronous endpoints.
specs
“Features” on page 1, and global: AT91SAM7S512 added to series. Reference to Manchester Encoder
removed from USART.
Section 8. ”Memories” Reformatted Memories, Consolidated Memory Mapping in Figure 8-1 on page 20
Section 10. ”Peripherals” Reordered sub sections.
Section 11. ”Package Drawings” QFN, LQFP package drawings added.
#2748
“ice_nreset” signals changed to” power_on_reset” in System Controller block diagrams, Figure 9-1 on
#2832
(DBGU IP)
Section 4. ”Package and Pinout” LQFP and QFN Package Outlines replace Mechanical Overview.
Section 10.1 ”User Interface”, User peripherals are mapped between 0xF000 0000 and 0xFFFF EFFF.
SYSIRQ changed to SYSC in “Peripheral Identifiers” Table 10-1 and Table 10-2
rfo review
6175FS
AT91SAM7S161 and AT91SAM7S16 added to product family
BDs
Features: Timer Counter, on page 2 product specific information rewritten, Table 1-1, “Configuration
Summary,” on page 3, footnote explains TC on AT91SAM7S32/16 has only two channels accessible via
PIO, and in Section 10.9 ”Timer Counter”, precisions added to “compare and capture” output/input.
4208
Section 10.6 ”Two-wire Interface”, updated reference to I2C compatibility, internal address registers,
slave addressing, Modes for AT91SAM7S161/16
Section 10.12 ”Analog-to-digital Converter”, updated Successive Approximation Register ADC and the
INL, DNL ± values of LSB.
Section 8.8.3 ”Lock Regions”, locked-region’s erase or program command updated
rfo review
4325
Section 6. ”I/O Lines Considerations”, JTAG Port Pin, Test Pin, Erase Pin, updated.
5063
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