参数资料
型号: ADSP-BF518BSWZ-4F4
厂商: Analog Devices Inc
文件页数: 21/68页
文件大小: 0K
描述: IC DSP 16/32B 400MHZ LP 176LQFP
标准包装: 1
系列: Blackfin®
类型: 定点
接口: 以太网,I²C,PPI,RSI,SPI,SPORT,UART/USART
时钟速率: 400MHz
非易失内存: 闪存(4Mb)
芯片上RAM: 116kB
电压 - 输入/输出: 1.8V,2.5V,3.3V
电压 - 核心: 1.30V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 176-LQFP 裸露焊盘
供应商设备封装: 176-LQFP-EP(24x24)
包装: 托盘
Rev. B
|
Page 28 of 68
|
January 2011
ADSP-BF512/BF512F, BF514/BF514F, BF516/BF516F, BF518/BF518F
Flash Reset Timing
Driving the RESET pin low resets the Flash device. Driving the
RESET pin high puts the device in normal operating mode. The
SO pin is in high impedance state while the device is in reset. A
successful reset will reset the status register to its power-up state.
See Table 25 for default power-up modes. A device reset during
an active Program or Erase operation aborts the operation and
data of the targeted address range may be corrupted or lost due
to the aborted erase or program operation. The device exits AAI
Programming Mode in progress and places the SO pin in high
impedance state.
Figure 8. Power-Up Reset Timing
RESET
tRST_IN_PWR
CLKIN
V
DD_SUPPLIES
Table 25. RESET Timing
Parameter
Min
Max
Unit
Timing Requirements
tRECR
Reset Recovery from Read
100
ns
tRECP
Reset Recovery from Program
10
μs
fRECE
Reset Recovery from Erase
1ms
Figure 9. Flash Reset Timing
SCK
RST
tRECR
tRECP
tRECE
CE
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