參數(shù)資料
型號: ADSP-21060C
廠商: Analog Devices, Inc.
英文描述: DSP Microcomputer(DSP 微計算機(jī))
中文描述: 微機(jī)的DSP(數(shù)字信號處理器微計算機(jī))
文件頁數(shù): 35/48頁
文件大?。?/td> 515K
代理商: ADSP-21060C
ADSP-21060C/ADSP-21060LC
–35–
REV. PrA
DATA
T ransmit Data Delay after T CLK
3
T ransmit Data Hold after T CLK
3
0
T CLK /RCLK Width
(t
SCLK
/2) – 2
E nable and T hree-State
Switching Characteristics:
t
DDT EN
Data Enable from External T CLK
3
t
DDT T E
Data Disable from External T CLK
3
t
DDT IN
Data Enable from Internal T CLK
3
t
DDT T I
Data Disable from Internal T CLK
3
t
DCLK
T CLK /RCLK Delay from CLK IN
t
DPT R
SPORT Disable after CLK IN
Gated SCLK with E xternal T FS
(Mesh Multiprocessing)
4
Timing Requirements:
t
ST FSCK
T FS Setup before CLK IN
t
HT FSCK
T FS Hold after CLK IN
E xternal Late Frame Sync
Switching Characteristics:
t
DDT LFSE
Data Delay from Late External T FS or
External RFS with MCE = 1, MFD = 0
5
t
DDT ENFS
Data Enable from late FS or MCE = 1,
MFD = 0
5
TECHNICAL
T FS Hold after T CLK (Internally
Generated T FS)
3
–1.5
Serial Ports
ADSP-21060C
Min
ADSP-21060LC
Min
Parameter
Max
Max
Units
E xternal Clock
Timing Requirements:
t
SFSE
t
HFSE
t
SDRE
t
HDRE
t
SCLK W
t
SCLK
Internal Clock
Timing Requirements:
t
SFSI
T FS/RFS Setup before T CLK /RCLK
1
T FS/RFS Hold after T CLK /RCLK
1, 2
Receive Data Setup before RCLK
1
Receive Data Hold after RCLK
1
T CLK /RCLK Width
T CLK /RCLK Period
3.5
4
1.5
4
9.5
t
CK
3.5
4
1.5
4
9.0
t
CK
ns
ns
ns
ns
ns
ns
T FS Setup before T CLK
1
; RFS Setup
before RCLK
1
T FS/RFS Hold after T CLK /RCLK
1, 2
Receive Data Setup before RCLK
1
Receive Data Hold after RCLK
1
E xternal or Internal Clock
Switching Characteristics:
t
DFSE
RFS Delay after RCLK (Internally
Generated RFS)
3
t
HOFSE
RFS Hold after RCLK (Internally
Generated RFS)
3
E xternal Clock
Switching Characteristics:
t
DFSE
T FS Delay after T CLK (Internally
Generated T FS)
3
t
HOFSE
T FS Hold after T CLK (Internally
Generated T FS)
3
t
DDT E
T ransmit Data Delay after T CLK
3
t
HODT E
T ransmit Data Hold after T CLK
3
Internal Clock
Switching Characteristics:
t
DFSI
T FS Delay after T CLK (Internally
Generated T FS)
3
t
HOFSI
8
1
3
3
8
1
3
3
ns
ns
ns
ns
t
HFSI
t
SDRI
t
HDRI
13
13
ns
3
3
ns
13
13
ns
3
3
ns
ns
ns
16
5
5
4.5
4.5
ns
–1.5
ns
ns
ns
ns
t
DDT I
t
HDT I
t
SCLK IW
7.5
7.5
0
(t
SCLK
/2) – 2.5
(t
SCLK
/2) + 2
(t
SCLK
/2) + 2.5
3.5
4.0
ns
ns
ns
ns
ns
ns
10.5
10.5
0
0
3
22 + 3DT /8
17
3
22 + 3DT /8
17
5
t
CK
/2
5
t
CK
/2
ns
ns
12
12.8
ns
3
3.5
ns
T o
determine whether communication is possible between two devices at clock speed
n,
the following specifications must be confirmed: 1) frame sync delay & frame sync se
tup
and hold, 2) data delay & data setup and hold, and 3) SCLK width.
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