参数资料
型号: ADSP-BF535PBBZ-200
厂商: Analog Devices Inc
文件页数: 17/44页
文件大小: 0K
描述: IC DSP CONTROLLER 16BIT 260-BGA
产品培训模块: Blackfin® Processor Core Architecture Overview
Blackfin® Device Drivers
Blackfin® Optimizations for Performance and Power Consumption
Blackfin® System Services
标准包装: 1
系列: Blackfin®
类型: 定点
接口: PCI,SPI,SSP,UART,USB
时钟速率: 200MHz
非易失内存: 外部
芯片上RAM: 308kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.50V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 260-BBGA
供应商设备封装: 260-PBGA(19x19)
包装: 托盘
ADSP-BF535
–24–
REV. A
Clock and Reset Timing
Table 11 and Figure 8 describe clock and reset operations. Per
tions of CLKIN and clock multipliers must not select core and
system clocks in excess of 350/300/200 MHz and 133 MHz,
respectively.
Table 11. Clock and Reset Timing
Parameter
Min
Max
Unit
Timing Requirements
tCKIN
CLKIN Period
25.0
100.0
ns
tCKINL
CLKIN Low Pulse
1
10.0
ns
tCKINH
CLKIN High Pulse
1
10.0
ns
tWRST
RESET Asserted Pulse Width Low2
11
tCKIN
ns
tMSD
Delay from
RESET Asserted to MSELx, SSELx, BYPASS,
and DF Valid
3
15.0
ns
tMSS
MSELx/SSELx/DF/BYPASS Stable Setup Before
RESET
Deasserted
4
2
tCKIN
ns
tMSH
MSELx/SSELx/DF/BYPASS Stable Hold After
RESET
Deasserted
2
tCKIN
ns
Switching Characteristics
tPFD
Flag Output Disable Time After
RESET Asserted
15.0
ns
1 Applies to Bypass mode and Non-bypass mode.
2 Applies after power-up sequence is complete. At power-up, the processor’s internal phase-locked loop requires no more than 2000 CLKIN cycles, while
RESET is asserted, assuming stable power supplies and CLKIN (not including start-up time of external clock oscillator).
3 SSELx, MSELx and DF values can change from this point, but the values must be valid.
4 SSELx, MSELx and DF values must be held from this time, until the hold time expires.
Figure 8. Clock and Reset Timing
SSEL1–0
MSEL6–0
BYPASS
DF
RESET
CLKIN
t WRS T
t CK IN H
tCK IN
tCK IN L
t MSH
t PF D
t MS D
t MS S
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