参数资料
型号: ADSP-BF525KBCZ-6
厂商: Analog Devices Inc
文件页数: 23/88页
文件大小: 0K
描述: IC DSP CTRLR 16B 600MHZ 289BGA
产品变化通告: Datasheet Specification Change 14/Dec/2009
标准包装: 1
系列: Blackfin®
类型: 定点
接口: DMA,I²C,PPI,SPI,SPORT,UART,USB
时钟速率: 600MHz
非易失内存: ROM(32 kB)
芯片上RAM: 132kB
电压 - 输入/输出: 1.8V,2.5V,3.3V
电压 - 核心: 1.10V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 289-LFBGA,CSPBGA
供应商设备封装: 289-CSPBGA(12x12)
包装: 托盘
ADSP-BF522/ADSP-BF523/ADSP-BF524/ADSP-BF525/ADSP-BF526/ADSP-BF527
SIGNAL DESCRIPTIONS
Signal definitions for the ADSP-BF52x processors are listed in
Table 10 . In order to maintain maximum function and reduce
package size and ball count, some balls have dual, multiplexed
functions. In cases where ball function is reconfigurable, the
default state is shown in plain text, while the alternate function
is shown in italics.
All pins are three-stated during and immediately after reset,
with the exception of the external memory interface, asynchro-
nous and synchronous memory control, and the buffered XTAL
output pin (CLKBUF). On the external memory interface, the
control and address lines are driven high, with the exception of
CLKOUT, which toggles at the system clock rate. During hiber-
nate, all outputs are three-stated unless otherwise noted in
All I/O pins have their input buffers disabled with the exception
of the pins that need pull-ups or pull-downs, as noted in
It is strongly advised to use the available IBIS models to ensure
that a given board design meets overshoot/undershoot and sig-
nal integrity requirements. If no IBIS simulation is performed, it
is strongly recommended to add series resistor terminations for
all Driver Types A, C and D.
The termination resistors should be placed near the processor to
reduce transients and improve signal integrity. The resistance
value, typically 33 Ω or 47 Ω, should be chosen to match the
average board trace impedance.
Additionally, adding a parallel termination to CLKOUT may
prove useful in further enhancing signal integrity. Be sure to
verify overshoot/undershoot and signal integrity specifications
on actual hardware.
Table 10. Signal Descriptions
Driver
Signal Name
EBIU
Type Function
Type 1
ADDR19–1
DATA15–0
ABE1–0/ SDQM1–0
O
I/O
O
Address Bus
Data Bus
Byte Enables/ Data Mask
A
A
A
AMS3–0
ARDY
O
I
Asynchronous Memory Bank Selects (Require pull-ups if hibernate is used.) A
Hardware Ready Control
AOE
ARE
AWE
SRAS
SCAS
SWE
SCKE
O
O
O
O
O
O
O
Asynchronous Output Enable
Asynchronous Read Enable
Asynchronous Write Enable
SDRAM Row Address Strobe
SDRAM Column Address Strobe
SDRAM Write Enable
SDRAM Clock Enable (Requires a pull-down if hibernate with SDRAM self-
A
A
A
A
A
A
A
refresh is used.)
CLKOUT
SA10
SMS
O
O
O
SDRAM Clock Output
SDRAM A10 Signal
SDRAM Bank Select
Rev. D |
Page 23 of 88 | July 2013
B
A
A
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