参数资料
型号: DSP56F807VF80
厂商: Freescale Semiconductor
文件页数: 27/60页
文件大小: 0K
描述: IC DSP 80MHZ 60K FLASH 160-BGA
标准包装: 126
系列: 56F8xx
核心处理器: 56800
芯体尺寸: 16-位
速度: 80MHz
连通性: CAN,EBI/EMI,SCI,SPI
外围设备: POR,PWM,WDT
输入/输出数: 32
程序存储器容量: 136KB(68K x 16)
程序存储器类型: 闪存
RAM 容量: 6K x 16
电压 - 电源 (Vcc/Vdd): 3 V ~ 3.6 V
数据转换器: A/D 16x12b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 160-BGA
包装: 托盘
External Bus Asynchronous Timing
56F807 Technical Data Technical Data, Rev. 16
Freescale Semiconductor
33
3.5 External Bus Asynchronous Timing
Table 3-10 External Bus Asynchronous Timing1,2
Operating Conditions: V
SS = VSSA = 0 V, VDD = VDDA = 3.0–3.6 V, TA = –40° to +85°C, CL 50pF, fop = 80MHz
Characteristic
Symbol
Min
Max
Unit
Address Valid to WR Asserted
tAWR
6.5
ns
WR Width Asserted
Wait states = 0
Wait states > 0
tWR
7.5
(T*WS)+7.5
ns
WR Asserted to D0–D15 Out Valid
tWRD
—T + 4.2
ns
Data Out Hold Time from WR Deasserted
tDOH
4.8
ns
Data Out Set Up Time to WR Deasserted
Wait states = 0
Wait states > 0
tDOS
2.2
(T*WS)+6.4
ns
RD Deasserted to Address Not Valid
tRDA
0—
ns
Address Valid to RD Deasserted
Wait states = 0
Wait states > 0
tARDD
18.7
(T*WS) + 18.7
ns
Input Data Hold to RD Deasserted
tDRD
0—
ns
RD Assertion Width
Wait states = 0
Wait states > 0
tRD
19
(T*WS)+19
ns
Address Valid to Input Data Valid
Wait states = 0
Wait states > 0
tAD
1
(T*WS)+1
ns
Address Valid to RD Asserted
tARDA
-4.4
ns
RD Asserted to Input Data Valid
Wait states = 0
Wait states > 0
tRDD
2.4
(T*WS) + 2.4
ns
WR Deasserted to RD Asserted
tWRRD
6.8
ns
RD Deasserted to RD Asserted
tRDRD
0—
ns
WR Deasserted to WR Asserted
tWRWR
14.1
ns
RD Deasserted to WR Asserted
tRDWR
12.8
ns
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