参数资料
型号: ADSP-BF537BBCZ-5AV
厂商: Analog Devices Inc
文件页数: 37/68页
文件大小: 0K
描述: IC DSP CTLR 16BIT 182CSPBGA
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: CAN,SPI,SSP,TWI,UART
时钟速率: 533MHz
非易失内存: 外部
芯片上RAM: 132kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.25V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 182-LFBGA,CSPBGA
供应商设备封装: 182-CSPBGA(12x12)
包装: 托盘
配用: ADZS-BF537-ASKIT-ND - BOARD EVAL SKIT ADSP-BF537
ADZS-BFAUDIO-EZEXT-ND - BOARD EVAL AUDIO BLACKFIN
ADZS-BF537-EZLITE-ND - BOARD EVAL ADSP-BF537
ADZS-BFAV-EZEXT-ND - BOARD DAUGHT ADSP-BF533,37,61KIT
ADZS-BF537-STAMP-ND - SYSTEM DEV FOR ADSP-BF537
Rev. J
|
Page 42 of 68
|
February 2014
Serial Peripheral Interface Port—Master Timing
Table 34 and Figure 24 describe SPI port master operations.
Table 34. Serial Peripheral Interface (SPI) Port—Master Timing
2.25 V
V
DDEXT 2.70 V
or
0.80 V
V
DDINT 0.95 V
1
2.70 V
V
DDEXT 3.60 V
and
0.95 V
V
DDINT 1.43 V
2, 3
Parameter
Min
Max
Min
Max
Unit
Timing Requirements
tSSPIDM
Data Input Valid to SCK Edge (Data Input Setup)
8.7
7.5
ns
tHSPIDM
SCK Sampling Edge to Data Input Invalid
–1.5
ns
Switching Characteristics
tSDSCIM
SPISELx Low to First SCK Edge
2 × tSCLK –1.5
ns
tSPICHM
Serial Clock High Period
2 × tSCLK –1.5
ns
tSPICLM
Serial Clock Low Period
2 × tSCLK –1.5
ns
tSPICLK
Serial Clock Period
4 × tSCLK –1.5
ns
tHDSM
Last SCK Edge to SPISELx High
2 × tSCLK –1.5
ns
tSPITDM
Sequential Transfer Delay
2 × tSCLK –1.5
ns
tDDSPIDM
SCK Edge to Data Out Valid (Data Out Delay)
6
ns
tHDSPIDM
SCK Edge to Data Out Invalid (Data Out Hold)
–1.0
ns
1 Applies to all nonautomotive-grade devices when operated within either of these voltage ranges.
2 Applies to all nonautomotive-grade devices when operated within these voltage ranges.
3 All automotive-grade devices are within these specifications.
Figure 24. Serial Peripheral Interface (SPI) Port—Master Timing
tSDSCIM
tSPICLK
tHDSM
tSPITDM
tSPICLM
tSPICHM
tHDSPIDM
tHSPIDM
tSSPIDM
SPIxSELy
(OUTPUT)
SPIxSCK
(OUTPUT)
SPIxMOSI
(OUTPUT)
SPIxMISO
(INPUT)
SPIxMOSI
(OUTPUT)
SPIxMISO
(INPUT)
CPHA = 1
CPHA = 0
tDDSPIDM
tHSPIDM
tSSPIDM
tHDSPIDM
tDDSPIDM
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