参数资料
型号: ADSP-21262SKBC-200
厂商: Analog Devices Inc
文件页数: 29/60页
文件大小: 0K
描述: IC DSP 32BIT 200MHZ 136-CSPBGA
产品培训模块: SHARC Processor Overview
标准包装: 1
系列: SHARC®
类型: 浮点
接口: DAI,SPI
时钟速率: 200MHz
非易失内存: ROM(512 kB)
芯片上RAM: 256kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.20V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 136-LFBGA,CSPBGA
供应商设备封装: 136-CSPBGA(12x12)
包装: 托盘
ADSP-21362/ADSP-21363/ADSP-21364/ADSP-21365/ADSP-21366
Serial Ports
To determine whether communication is possible between two
devices at clock speed n, the following specifications must be
confirmed: 1) frame sync (FS) delay and frame sync setup and
hold, 2) data delay and data setup and hold, and 3) serial clock
(SCLK) width.
Table 24. Serial Ports—External Clock
Serial port signals are routed to the DAI_P20–1 pins using the
SRU. Therefore, the timing specifications provided below are
valid at the DAI_P20–1 pins.
K and B Grade
Y Grade
Parameter
Min
Max
Max
Unit
Timing Requirements
t SFSE 1
Frame Sync Setup Before SCLK
t HFSE
1
(Externally Generated Frame Sync in Either Transmit or Receive Mode)
Frame Sync Hold After SCLK
(Externally Generated Frame Sync in Either Transmit or Receive Mode)
2.5
2.5
ns
ns
t SDRE
1
t HDRE 1
t SCLKW
t SCLK
Receive Data Setup Before Receive SCLK
Receive Data Hold After SCLK
SCLK Width
SCLK Period
2.5
2.5
(t PCLK × 4) ÷ 2 – 2
t PCLK × 4
ns
ns
ns
ns
Switching Characteristics
t DFSE 2
Frame Sync Delay After SCLK
t HOFSE 2
(Internally Generated Frame Sync in Either Transmit or Receive Mode)
Frame Sync Hold After SCLK
(Internally Generated Frame Sync in Either Transmit or Receive Mode)
2
9.5
11
ns
ns
t DDTE 2
Transmit Data Delay After Transmit SCLK
9.5
11
ns
t HDTE
2
Transmit Data Hold After Transmit SCLK
2
ns
1
2
Referenced to sample edge.
Referenced to drive edge.
Table 25. Serial Ports—Internal Clock
K and B Grade
Y Grade
Parameter
Min
Max
Max
Unit
Timing Requirements
t SFSI 1
Frame Sync Setup Before SCLK
t HFSI 1
(Externally Generated Frame Sync in Either Transmit or Receive Mode)
Frame Sync Hold After SCLK
(Externally Generated Frame Sync in Either Transmit or Receive Mode)
7
2.5
ns
ns
t SDRI 1
t HDRI 1
Receive Data Setup Before SCLK
Receive Data Hold After SCLK
7
2.5
ns
ns
Switching Characteristics
t DFSI 2
t HOFSI 2
Frame Sync Delay After SCLK (Internally Generated Frame Sync in Transmit Mode)
Frame Sync Hold After SCLK (Internally Generated Frame Sync in Transmit Mode)
–1.0
3
3.5
ns
ns
t DFSIR
2
Frame Sync Delay After SCLK (Internally Generated Frame Sync in Receive Mode)
8 9.5 ns
t HOFSIR 2
t DDTI 2
Frame Sync Hold After SCLK (Internally Generated Frame Sync in Receive Mode)
Transmit Data Delay After SCLK
–1.0 ns
3 4.0 ns
t HDTI
2
Transmit Data Hold After SCLK
–1.0 ns
t SCLKIW
Transmit or Receive SCLK Width
2 × t PCLK – 2 2 × t PCLK + 2 2 × t PCLK + 2 ns
1
2
Referenced to the sample edge.
Referenced to drive edge.
Rev. J |
Page 29 of 60 |
July 2013
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