参数资料
型号: ADSP-21369BSWZ-2A
厂商: Analog Devices Inc
文件页数: 30/64页
文件大小: 0K
描述: IC DSP 32BIT 333MHZ 208-LQFP
标准包装: 1
系列: SHARC®
类型: 浮点
接口: DAI,DPI
时钟速率: 333MHz
非易失内存: ROM(768 kB)
芯片上RAM: 256kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.20V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 208-LQFP 裸露焊盘
供应商设备封装: 208-LQFP-EP(28x28)
包装: 托盘
Rev. F
|
Page 36 of 64
|
October 2013
Table 29. Serial Ports—Internal Clock
Parameter
Min
Max
Unit
Timing Requirements
t
SFSI
1
FS Setup Before SCLK
(Externally Generated FS in Either Transmit or Receive Mode)
7ns
t
HFSI
1
FS Hold After SCLK
(Externally Generated FS in Either Transmit or Receive Mode)
2.5
ns
t
SDRI
1
Receive Data Setup Before SCLK
7
ns
t
HDRI
1
Receive Data Hold After SCLK
2.5
ns
Switching Characteristics
t
DFSI
2
FS Delay After SCLK (Internally Generated FS in Transmit Mode)
4
ns
t
HOFSI
2
FS Hold After SCLK (Internally Generated FS in Transmit Mode)
–1.0
ns
t
DFSIR
2
FS Delay After SCLK (Internally Generated FS in Receive Mode)
9.75
ns
t
HOFSIR
2
FS Hold After SCLK (Internally Generated FS in Receive Mode)
–1.0
ns
t
DDTI
2
Transmit Data Delay After SCLK
3.25
ns
t
HDTI
2
Transmit Data Hold After SCLK
–1.0
ns
t
SCLKIW
3
Transmit or Receive SCLK Width
2 × t
PCLK – 1.5
2 × t
PCLK + 1.5
ns
1 Referenced to the sample edge.
2 Referenced to drive edge.
3 Minimum SPORT divisor register value.
Table 30. Serial Ports—Enable and Three-State
Parameter
Min
Max
Unit
Switching Characteristics
t
DDTEN
1
Data Enable from External Transmit SCLK
2
ns
t
DDTTE
1
Data Disable from External Transmit SCLK
10
ns
t
DDTIN
1
Data Enable from Internal Transmit SCLK
–1
ns
1 Referenced to drive edge.
Table 31. Serial Ports—External Late Frame Sync
Parameter
Min
Max
Unit
Switching Characteristics
t
DDTLFSE
1
Data Delay from Late External Transmit FS or External Receive
FS with MCE = 1, MFD = 0
7.75
ns
t
DDTENFS
1
Data Enable for MCE = 1, MFD = 0
0.5
ns
1 The t
DDTLFSE and tDDTENFS parameters apply to left-justified sample pair as well as DSP serial mode, and MCE = 1, MFD = 0.
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